| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Roaguia | city | Oaxaca | Mexico | 16.87 | -96.28 | 5869 | 5390 |
| Roalina | city | Oaxaca | Mexico | 16.28 | -96.52 | 5869 | 8519 |
| Roaveta | city | Oaxaca | Mexico | 17.37 | -95.87 | 856 | 1510 |
| Roayaga | city | Oaxaca | Mexico | 17.34 | -96.12 | 5324 | 2519 |
| Roayago | city | Oaxaca | Mexico | 17.34 | -96.12 | 5324 | 2519 |
| Roberto Olivares Arellano | city | Oaxaca | Mexico | 17.92 | -96.18 | 223 | 3787 |
| Roble | city | Oaxaca | Mexico | 16.51 | -94.47 | 262 | 976 |
| Robles | city | Oaxaca | Mexico | 16.60 | -95.30 | 830 | 14 |
| Roca Blanca | city | Oaxaca | Mexico | 15.95 | -97.35 | 3 | 2191 |
| Roca de los Rios | city | Oaxaca | Mexico | 17.77 | -95.89 | 147 | 2572 |
| Rodeo Arroyo Pepesca | city | Oaxaca | Mexico | 17.96 | -96.08 | 249 | 1364 |
| Rogreta | city | Oaxaca | Mexico | 17.37 | -95.87 | 856 | 1510 |
| Rojas de Cuauhtemoc | city | Oaxaca | Mexico | 17.01 | -96.62 | 5124 | 30285 |
| Romadito | city | Oaxaca | Mexico | 16.73 | -96.07 | 5029 | 1341 |
| Roque | city | Oaxaca | Mexico | 15.79 | -96.46 | 830 | 9012 |
| Roqueta | city | Oaxaca | Mexico | 17.37 | -95.87 | 856 | 1510 |
| Rosales | city | Oaxaca | Mexico | 15.92 | -95.75 | 49 | 1503 |
| Rosario | city | Oaxaca | Mexico | 18.05 | -97.85 | 5029 | 4835 |
| Rosario | city | Oaxaca | Mexico | 17.06 | -96.70 | 5095 | 207316 |
| Rosario | city | Oaxaca | Mexico | 16.52 | -94.33 | 321 | 1192 |
| Rosario | city | Oaxaca | Mexico | 16.25 | -95.75 | 1669 | 802 |
| Rosario Nuevo | city | Oaxaca | Mexico | 17.60 | -97.85 | 6010 | 5120 |
| Rosario Tamextitlan | city | Oaxaca | Mexico | 17.59 | -96.55 | 6233 | 1757 |
| Rosario Temextitlán | city | Oaxaca | Mexico | 17.59 | -96.55 | 6233 | 1757 |
| Rosarito | city | Oaxaca | Mexico | 16.41 | -94.21 | 311 | 3637 |