| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Rio Cabrao | city | Viana do Castelo | Portugal | 41.81 | -8.50 | 193 | 10594 |
| Rio Cacatu | city | Parana | Brazil | -25.32 | -48.75 | 354 | 1510 |
| Rio Cacatu | city | Parana | Brazil | -25.34 | -48.74 | 170 | 1467 |
| Rio Cachiri | city | Zulia | Venezuela | 10.83 | -72.24 | 830 | 0 |
| Rio Cacho | city | Oaxaca | Mexico | 16.68 | -97.18 | 7549 | 2252 |
| Rio Cachorros | city | Santa Catarina | Brazil | -27.40 | -50.48 | 3349 | 1207 |
| Rio Caimito | city | Panama Oeste | Panama | 8.92 | -79.75 | 59 | 107129 |
| Rio Cajon | city | Oaxaca | Mexico | 15.98 | -96.23 | 2509 | 2476 |
| Rio Caldo | city | Braga | Portugal | 41.68 | -8.19 | 830 | 5362 |
| Rio Calçado | city | Espirito Santo | Brazil | -20.55 | -40.57 | 1125 | 15347 |
| Rio Campo | city | Equatorial Guinea | 2.34 | 9.82 | 180 | 1099 | |
| Rio Cana | city | Veracruz | Mexico | 18.71 | -95.32 | 295 | 3739 |
| Rio Cana | city | Ngobe-Bugle | Panama | 8.85 | -81.70 | 242 | 1478 |
| Rio Canas | city | Guanacaste | Costa Rica | 10.36 | -85.57 | 36 | 5390 |
| Rio Canas | city | Puerto Rico | United States | 18.00 | -66.64 | 32 | |
| Rio Canazas | city | Veraguas | Panama | 8.35 | -81.24 | 830 | 11589 |
| Rio Cano Claro | city | Colon | Panama | 9.18 | -80.13 | 124 | 2361 |
| Rio Cantador | city | Guerrero | Mexico | 17.02 | -98.38 | 2509 | 4766 |
| Rio Cantador Chiquito | city | Guerrero | Mexico | 17.02 | -98.38 | 2509 | 4766 |
| Rio Caoni | city | Pichincha | Ecuador | 0.01 | -79.17 | 1669 | 2900 |
| Rio Capim Airport | airport | -2.82 | -47.89 | 236 | 0 | ||
| Rio Capinzal | city | Santa Catarina | Brazil | -27.33 | -51.60 | 2030 | 21286 |
| Rio Capiri | city | Junin | Peru | -11.11 | -74.70 | 3349 | 5107 |
| Rio Capote | city | Oaxaca | Mexico | 16.65 | -97.10 | 5905 | 672 |
| Rio Caribe | city | Sucre | Venezuela | 10.70 | -63.11 | 830 | 36867 |
| Rio Carolina | city | Santa Catarina | Brazil | -28.13 | -49.05 | 830 | 1081 |
| Rio Carrizo | city | Oaxaca | Mexico | 16.05 | -96.67 | 1735 | 4636 |
| Rio Cartente | city | Minas Gerais | Brazil | -19.02 | -42.12 | 862 | 6767 |
| Rio Casca | city | Minas Gerais | Brazil | -20.17 | -42.64 | 1164 | 5008 |
| Rio Casca | city | Mato Grosso | Brazil | -15.45 | -55.35 | 2509 | 27 |
| Rio Catavela | city | Ngobe-Bugle | Panama | 8.90 | -81.78 | 206 | 1283 |
| Rio Cauto | city | Granma | Cuba | 20.56 | -76.92 | 29 | 29717 |
| Rio Caçador | city | Santa Catarina | Brazil | -26.78 | -51.00 | 3349 | 33366 |
| Rio Caña | city | La Guajira | Colombia | 11.26 | -73.41 | 32 | 1270 |
| Rio Ceballos | city | Cordoba | Argentina | -31.16 | -64.32 | 2509 | 20097 |
| Rio Cedro Médio | city | Santa Catarina | Brazil | -28.72 | -49.58 | 324 | 707 |
| Rio Centro Heliport | airport | -22.98 | -43.41 | 33 | 0 | ||
| Rio Chacon | city | Sucre | Venezuela | 10.18 | -64.03 | 4189 | 1341 |
| Rio Chari Alto | city | Junin | Peru | -11.09 | -74.65 | 2660 | 4571 |
| Rio Chari Centro | city | Junin | Peru | -11.07 | -74.67 | 2509 | 4982 |
| Rio Chico | city | Santa Cruz | Argentina | -49.80 | -68.62 | 49 | 0 |
| Rio Chico | city | Catamarca | Argentina | -28.94 | -65.35 | 1118 | 1810 |
| Rio Chico | city | Tucuman | Argentina | -27.49 | -65.51 | 1013 | 2076 |
| Rio Chico | city | Cordoba | Argentina | -31.27 | -64.02 | 1190 | 1147 |
| Rio Chico | city | Chihuahua | Mexico | 29.61 | -108.17 | 6824 | 298 |
| Rio Chico | city | Sonora | Mexico | 28.33 | -109.51 | 830 | 216 |
| Rio Chico | city | Hidalgo | Mexico | 19.74 | -98.19 | 8451 | 4090 |
| Rio Chico | city | Jalisco | Mexico | 21.64 | -102.36 | 5912 | 24013 |
| Rio Chico | city | Panama | Panama | 9.03 | -79.17 | 9 | 6657 |
| Rio Chico | city | Cocle | Panama | 8.38 | -80.22 | 72 | 11068 |
| Rio Chico | city | Chiriqui | Panama | 8.42 | -82.57 | 121 | 12047 |
| Rio Chico | city | Nueva Ecija | Philippines | 15.36 | 121.07 | 160 | 34909 |
| Rio Chico | city | Miranda | Venezuela | 10.32 | -65.98 | 22 | 23563 |
| Rio Chico | city | Falcon | Venezuela | 11.27 | -69.40 | 830 | 599 |
| Rio Chico Airport | airport | -51.67 | -69.26 | 68 | 0 | ||
| Rio Chico Highway Strip | airport | -53.64 | -67.95 | 26 | 0 | ||
| Rio Chiquito | city | Boyaca | Colombia | 4.68 | -73.15 | 1906 | 1360 |
| Rio Chiquito | city | Cienfuegos | Cuba | 21.96 | -80.23 | 856 | 1788 |
| Rio Chiquito | city | Matanzas | Cuba | 23.03 | -80.64 | 42 | 5717 |
| Rio Chiquito | city | Higuamo | Dominican Republic | 18.96 | -69.43 | 410 | 3510 |
| Rio Chiquito | city | Chalatenango | El Salvador | 14.37 | -89.12 | 7053 | 6565 |
| Rio Chiquito | city | Zacapa | Guatemala | 14.98 | -89.75 | 879 | 4636 |
| Rio Chiquito | city | Cortes | Honduras | 15.63 | -88.25 | 124 | 5534 |
| Rio Chiquito | city | Olancho | Honduras | 15.53 | -85.67 | 830 | 1947 |
| Rio Chiquito | city | Yoro | Honduras | 15.38 | -87.82 | 131 | 91127 |
| Rio Chiquito | city | Olancho | Honduras | 14.97 | -86.72 | 2568 | 6029 |
| Rio Chiquito | city | Comayagua | Honduras | 14.70 | -87.32 | 1850 | 2712 |
| Rio Chiquito | city | Atlantida | Honduras | 15.60 | -87.33 | 374 | 6828 |
| Rio Chiquito | city | Francisco Morazan | Honduras | 13.82 | -87.55 | 1781 | 8875 |
| Rio Chiquito | city | Oaxaca | Mexico | 17.62 | -95.94 | 328 | 2898 |
| Rio Chiquito | city | Guerrero | Mexico | 17.36 | -100.85 | 830 | 1900 |
| Rio Chiquito | city | Venezuela | 10.38 | -70.65 | 3477 | 1418 | |
| Rio Chiquito | city | Zulia | Venezuela | 10.22 | -71.04 | 830 | 1787 |
| Rio Chiquito | city | Tachira | Venezuela | 8.43 | -72.12 | 354 | 2533 |
| Rio Chiquito | city | Sucre | Venezuela | 10.44 | -63.33 | 830 | 531 |
| Rio Chiquito | city | Sucre | Venezuela | 10.64 | -63.06 | 830 | 16612 |
| Rio Chiquito | city | Apure | Venezuela | 7.38 | -71.67 | 830 | 512 |
| Rio Chiquito | city | New Mexico | United States | 36.00 | -105.90 | 6751 | |
| Rio Chuchurras | city | Pasco | Peru | -10.15 | -75.23 | 1102 | 298 |
| Rio Cidra | city | Kuna Yala | Panama | 9.45 | -78.83 | 0 | 656 |
| Rio Ciego | city | Guanajuato | Mexico | 21.53 | -100.80 | 6804 | 3590 |
| Rio Cimeiro | city | Santarem | Portugal | 39.76 | -8.24 | 374 | 3756 |
| Rio Cinzas | city | Parana | Brazil | -23.45 | -50.28 | 1938 | 2031 |
| Rio Clarin | city | Veracruz | Mexico | 20.34 | -97.29 | 164 | 16847 |
| Rio Claro | city | Parana | Brazil | -25.93 | -50.68 | 2526 | 1686 |
| Rio Claro | city | Parana | Brazil | -25.78 | -53.75 | 1256 | 4507 |
| Rio Claro | city | Parana | Brazil | -23.65 | -52.22 | 977 | 4388 |
| Rio Claro | city | Rio de Janeiro | Brazil | -22.72 | -44.14 | 1853 | 10830 |
| Rio Claro | city | Minas Gerais | Brazil | -22.42 | -45.27 | 5029 | 3886 |
| Rio Claro | city | Sao Paulo | Brazil | -22.41 | -47.56 | 2001 | 91404 |
| Rio Claro | city | Mato Grosso | Brazil | -16.67 | -56.80 | 370 | 0 |
| Rio Claro | city | Goias | Brazil | -16.30 | -50.90 | 1669 | 843 |
| Rio Claro | city | Sao Paulo | Brazil | -24.62 | -48.89 | 997 | 1647 |
| Rio Claro | city | Biobio | Chile | -37.20 | -72.62 | 203 | 7576 |
| Rio Claro | city | Maule | Chile | -35.22 | -71.26 | 1066 | 596 |
| Rio Claro | city | Antioquia | Colombia | 5.59 | -75.87 | 5869 | 13834 |
| Rio Claro | city | Puntarenas | Costa Rica | 8.68 | -83.07 | 200 | 3129 |
| Rio Claro | city | Hidalgo | Mexico | 21.22 | -98.76 | 393 | 13536 |
| Rio Claro | city | Mayaro/Rio Claro | Trinidad and Tobago | 10.31 | -61.18 | 137 | 21388 |
| Rio Claro | city | Lara | Venezuela | 9.92 | -69.36 | 3379 | 0 |
| Rio Claro | city | Anzoategui | Venezuela | 8.78 | -63.21 | 249 | 1358 |
| Rio Claro | city | Bolivar | Venezuela | 8.41 | -62.60 | 13 | 8290 |
| Rio Claro | city | Portuguesa | Venezuela | 9.49 | -69.02 | 413 | 0 |
| Rio Claro Airport | airport | -22.43 | -47.56 | 1991 | 0 | ||
| Rio Claro do Sul | city | Parana | Brazil | -25.93 | -50.68 | 2526 | 1686 |
| Rio Coatzacoalcos | city | Veracruz | Mexico | 18.02 | -94.47 | 3 | 45319 |
| Rio Cocollar | city | Sucre | Venezuela | 10.36 | -63.96 | 2559 | 1178 |
| Rio Colorado | city | Rio Negro | Argentina | -38.99 | -64.09 | 232 | 9909 |
| Rio Colorado | city | Catamarca | Argentina | -28.27 | -67.38 | 3379 | 0 |
| Rio Colorado | city | Catamarca | Argentina | -28.23 | -67.70 | 5088 | 0 |
| Rio Colorado | city | Sonora | Mexico | 32.07 | -114.78 | 68 | 1043 |
| Rio Colorado | city | Michoacan de Ocampo | Mexico | 19.37 | -100.73 | 5029 | 4107 |
| Rio Colorado | city | Guanajuato | Mexico | 21.57 | -100.18 | 3582 | 1848 |
| Rio Colorado | city | Chiapas | Mexico | 16.80 | -91.34 | 2552 | 1349 |
| Rio Colorado | city | Durango | Mexico | 25.87 | -106.23 | 8412 | 298 |
| Rio Colorado | city | Cocle | Panama | 8.63 | -80.63 | 2795 | 2233 |
| Rio Colorado | city | Sucre | Venezuela | 10.50 | -63.12 | 49 | 6864 |
| Rio Colorado Airport | airport | -38.99 | -64.14 | 275 | 0 | ||
| Rio Comal | city | Oaxaca | Mexico | 16.23 | -96.63 | 6233 | 3172 |
| Rio Comayagua | city | Cortes | Honduras | 15.10 | -87.80 | 1669 | 2664 |
| Rio Communities | city | New Mexico | United States | 34.65 | -106.73 | 5029 | |
| Rio Comprido | city | Rio de Janeiro | Brazil | -22.92 | -43.20 | 360 | 429335 |
| Rio Conchas | city | Carazo | Nicaragua | 11.71 | -86.28 | 305 | 6864 |
| Rio Conejo | city | Cartago | Costa Rica | 9.78 | -84.07 | 4327 | 61108 |
| Rio Congo | city | Panama Oeste | Panama | 8.97 | -79.76 | 374 | 55037 |
| Rio Congo Abajo | city | Panama Oeste | Panama | 8.93 | -79.78 | 272 | 69273 |
| Rio Conguito | city | Panama Oeste | Panama | 9.01 | -79.87 | 360 | 6837 |
| Rio Copalita la Hamaca | city | Oaxaca | Mexico | 15.89 | -96.19 | 1148 | 4259 |
| Rio Corosal | city | Chiapas | Mexico | 16.49 | -91.59 | 971 | 2276 |
| Rio Corrente | city | Parana | Brazil | -25.51 | -50.72 | 3349 | 7661 |
| Rio Corrente | city | Parana | Brazil | -25.48 | -50.71 | 3349 | 12721 |
| Rio Corrente Primeiro | city | Parana | Brazil | -25.51 | -50.73 | 3349 | 6035 |
| Rio Corrente Segundo | city | Parana | Brazil | -25.50 | -50.72 | 3349 | 11886 |
| Rio Corrente dos Pedrosos | city | Parana | Brazil | -25.54 | -50.74 | 3349 | 2911 |
| Rio Correntes | city | Santa Catarina | Brazil | -27.08 | -50.63 | 3349 | 1431 |
| Rio Covo | city | Braga | Portugal | 41.53 | -8.60 | 131 | 55413 |
| Rio Covo | city | Braga | Portugal | 41.51 | -8.58 | 167 | 47681 |
| Rio Covo | city | Braga | Portugal | 41.49 | -8.58 | 259 | 35253 |
| Rio Covo | city | Aveiro | Portugal | 40.58 | -8.40 | 291 | 19915 |
| Rio Creek | city | Wisconsin | United States | 44.59 | -87.54 | 830 | |
| Rio Crespo | city | Rondonia | Brazil | -9.75 | -62.88 | 830 | 3256 |
| Rio Cristal | city | Puerto Rico | United States | 18.35 | -66.00 | 209 | |
| Rio Cruz de Piedra | city | Oaxaca | Mexico | 16.35 | -97.42 | 5029 | 5231 |
| Rio Cuache | city | San Marcos | Guatemala | 14.79 | -92.06 | 406 | 25098 |
| Rio Cuango | city | Malanje | Angola | -9.51 | 16.32 | 4189 | 1639 |
| Rio Cuarto | city | Cordoba | Argentina | -33.13 | -64.35 | 1669 | 56714 |
| Rio Cuarto Aeroclub Airport | airport | -33.16 | -64.34 | 1423 | 0 | ||
| Rio Culebra | city | Oaxaca | Mexico | 15.98 | -96.35 | 3349 | 3031 |
| Rio Cullen II Heliplatform | airport | -52.84 | -68.18 | 127 | 0 | ||
| Rio Culul | city | Bari | Somalia | 11.58 | 50.25 | 0 | 162 |
| Rio Curupahy | city | Mato Grosso do Sul | Brazil | -22.83 | -53.88 | 990 | 298 |
| Rio Céu | city | Malanje | Angola | -9.25 | 15.70 | 3349 | 1639 |