| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Flat Acres | city | Western Cape | South Africa | -34.10 | 18.37 | 72 | 32798 |
| Flat Bay | city | Terre-Neuve-et-Labrador | Canada | 48.38 | -58.58 | 45 | 239 |
| Flat Branch | city | Georgia | United States | 34.77 | -84.49 | 1669 | |
| Flat Branch | city | North Carolina | United States | 35.31 | -78.88 | 223 | |
| Flat Branch | city | North Carolina | United States | 36.41 | -76.70 | 19 | |
| Flat Branch | city | Tennessee | United States | 35.31 | -85.71 | 1912 | |
| Flat Creek | city | Alabama | United States | 33.64 | -87.09 | 400 | |
| Flat Creek | city | Idaho | United States | 47.23 | -116.49 | 3349 | |
| Flat Creek | city | Louisiana | United States | 31.97 | -92.39 | 196 | |
| Flat Creek | city | New York | United States | 42.84 | -74.50 | 830 | |
| Flat Creek | city | New York | United States | 42.43 | -74.40 | 1699 | |
| Flat Creek | city | North Carolina | United States | 35.75 | -82.55 | 2509 | |
| Flat Creek | city | Tennessee | United States | 35.39 | -86.41 | 921 | |
| Flat Creek | city | Tennessee | United States | 36.39 | -85.38 | 1062 | |
| Flat Creek | city | Georgia | United States | 34.25 | -83.93 | 1095 | |
| Flat Creek (historical) | city | Missouri | United States | 36.76 | -93.61 | 1036 | |
| Flat Creek (historical) | city | Kentucky | United States | 37.26 | -87.47 | 830 | |
| Flat Field | city | Eastern Cape | South Africa | -32.38 | 27.22 | 4189 | 15 |
| Flat Ford | city | Georgia | United States | 31.22 | -83.50 | 236 | |
| Flat Fork | city | Kentucky | United States | 37.84 | -83.03 | 1017 | |
| Flat Fork | city | Texas | United States | 31.88 | -94.21 | 249 | |
| Flat Gap | city | North Carolina | United States | 35.72 | -81.57 | 1669 | |
| Flat Gap | city | Tennessee | United States | 36.06 | -83.48 | 1669 | |
| Flat Gap | city | Virginia | United States | 37.07 | -82.70 | 2509 | |
| Flat Grass | city | Portland | Jamaica | 18.02 | -76.28 | 62 | 6613 |
| Flat Hollow | city | Tennessee | United States | 36.41 | -83.94 | 1669 | |
| Flat Iron | city | Indiana | United States | 40.05 | -87.49 | 830 | |
| Flat Iron | city | Ohio | United States | 39.53 | -84.25 | 885 | |
| Flat Iron | city | Virginia | United States | 38.15 | -76.92 | 134 | |
| Flat Iron Corner | city | Ohio | United States | 40.26 | -81.66 | 830 | |
| Flat Iron Mesa | city | Utah | United States | 40.60 | -111.85 | 5029 | |
| Flat Island | city | Terre-Neuve-et-Labrador | Canada | 47.27 | -54.92 | 9 | 1 |
| Flat Island | city | Florida | United States | 27.78 | -82.43 | 3 | |
| Flat Islands | city | Terre-Neuve-et-Labrador | Canada | 53.27 | -55.73 | 0 | 0 |
| Flat Lake | city | Alberta | Canada | 54.13 | -111.15 | 2073 | 0 |
| Flat Landing | city | Maine | United States | 44.36 | -68.77 | 98 | |
| Flat Lick | city | Kentucky | United States | 36.83 | -83.77 | 1669 | |
| Flat Lick (historical) | city | Kentucky | United States | 36.75 | -87.54 | 830 | |
| Flat Lick (historical) | city | Kentucky | United States | 36.71 | -87.67 | 830 | |
| Flat Nose | city | Nevada | United States | 37.89 | -114.30 | 5219 | |
| Flat Point | city | Saint Ann | Jamaica | 18.47 | -77.28 | 75 | 6799 |
| Flat Point Aerodrome | airport | -41.24 | 175.96 | 46 | 0 | ||
| Flat Point Station | city | New Zealand | -41.23 | 175.97 | 0 | 66 | |
| Flat Prairie | city | Texas | United States | 33.46 | -95.98 | 830 | |
| Flat Ravine (historical) | city | California | United States | 39.13 | -120.52 | 6171 | |
| Flat Ridge | city | Ohio | United States | 40.13 | -81.67 | 997 | |
| Flat Ridge | city | Virginia | United States | 36.70 | -81.35 | 2900 | |
| Flat River | city | Prince Edward Island | Canada | 46.02 | -62.88 | 19 | 312 |
| Flat River | city | Missouri | United States | 37.85 | -90.52 | 830 | |
| Flat Rock | city | Saint George | Barbados | 13.15 | -59.57 | 830 | 75543 |
| Flat Rock | city | Terre-Neuve-et-Labrador | Canada | 47.72 | -52.72 | 278 | 2868 |
| Flat Rock | city | Cuyuni-Mazaruni | Guyana | 6.38 | -58.77 | 9 | 0 |
| Flat Rock | city | Arizona | United States | 36.01 | -109.56 | 5869 | |
| Flat Rock | city | Alabama | United States | 34.54 | -87.49 | 830 | |
| Flat Rock | city | Alabama | United States | 34.77 | -85.69 | 1669 | |
| Flat Rock | city | Alabama | United States | 31.48 | -86.83 | 374 | |
| Flat Rock | city | Georgia | United States | 33.24 | -83.32 | 387 | |
| Flat Rock | city | Georgia | United States | 32.55 | -84.87 | 400 | |
| Flat Rock | city | Idaho | United States | 44.50 | -111.34 | 6709 | |
| Flat Rock | city | Illinois | United States | 38.90 | -87.67 | 830 | |
| Flat Rock | city | Indiana | United States | 39.36 | -85.83 | 830 | |
| Flat Rock | city | Kentucky | United States | 37.23 | -87.97 | 830 | |
| Flat Rock | city | Kentucky | United States | 36.68 | -86.56 | 830 | |
| Flat Rock | city | Kentucky | United States | 36.80 | -84.48 | 1210 | |
| Flat Rock | city | Kentucky | United States | 37.36 | -84.27 | 1177 | |
| Flat Rock | city | Michigan | United States | 42.10 | -83.29 | 830 | |
| Flat Rock | city | Michigan | United States | 45.83 | -87.18 | 830 | |
| Flat Rock | city | Mississippi | United States | 31.41 | -91.09 | 209 | |
| Flat Rock | city | North Carolina | United States | 35.27 | -82.44 | 2509 | |
| Flat Rock | city | North Carolina | United States | 36.38 | -80.40 | 1669 | |
| Flat Rock | city | North Carolina | United States | 36.39 | -78.37 | 357 | |
| Flat Rock | city | North Carolina | United States | 36.51 | -80.57 | 1112 | |
| Flat Rock | city | Ohio | United States | 41.24 | -82.86 | 830 | |
| Flat Rock | city | Pennsylvania | United States | 39.77 | -79.48 | 2509 | |
| Flat Rock | city | Pennsylvania | United States | 40.83 | -78.11 | 1669 | |
| Flat Rock | city | South Carolina | United States | 34.42 | -82.65 | 830 | |
| Flat Rock | city | South Carolina | United States | 34.47 | -80.63 | 403 | |
| Flat Rock | city | Tennessee | United States | 36.23 | -86.10 | 830 | |
| Flat Rock | city | Tennessee | United States | 36.16 | -86.31 | 830 | |
| Flat Rock | city | Texas | United States | 31.23 | -101.85 | 2664 | |
| Flat Rock | city | Virginia | United States | 37.52 | -77.82 | 396 | |
| Flat Rock | city | Virginia | United States | 36.61 | -82.84 | 1669 | |
| Flat Rock | city | Tennessee | United States | 36.15 | -84.87 | 1669 | |
| Flat Rock (historical) | city | Georgia | United States | 33.46 | -83.13 | 830 | |
| Flat Rock (historical) | city | South Carolina | United States | 34.86 | -81.59 | 830 | |
| Flat Rock (historical) | city | Tennessee | United States | 35.58 | -87.55 | 898 | |
| Flat Rock (historical) | city | Kentucky | United States | 37.86 | -83.50 | 1000 | |
| Flat Rock (historical) | city | Kentucky | United States | 38.29 | -85.42 | 830 | |
| Flat Rock (historical) | city | Kentucky | United States | 37.06 | -86.74 | 830 | |
| Flat Rock (historical) | city | Kentucky | United States | 36.92 | -87.28 | 830 | |
| Flat Rock Estates | city | Georgia | United States | 32.54 | -84.89 | 400 | |
| Flat Rock Forest | city | North Carolina | United States | 35.28 | -82.44 | 2509 | |
| Flat Rock Park | city | Indiana | United States | 39.25 | -85.92 | 830 | |
| Flat Rock Village Mobile Home Park | city | Michigan | United States | 42.04 | -83.33 | 830 | |
| Flat Rocks | city | Western Australia | Australia | -33.95 | 117.38 | 1010 | 17 |
| Flat Run | city | Virginia | United States | 38.36 | -77.77 | 308 | |
| Flat Saeter | city | Telemark | Norway | 59.78 | 7.58 | 3349 | 149 |
| Flat Shoals | city | Georgia | United States | 34.36 | -82.99 | 830 | |
| Flat Shoals | city | North Carolina | United States | 36.37 | -80.24 | 1174 | |
| Flat Shoals | city | South Carolina | United States | 34.86 | -83.02 | 1000 | |
| Flat Shoals (historical) | city | North Carolina | United States | 36.41 | -80.56 | 987 | |
| Flat Shoals Estates | city | Georgia | United States | 33.58 | -84.47 | 928 | |
| Flat Springs | city | North Carolina | United States | 36.25 | -81.93 | 3697 | |
| Flat Sæter | city | Telemark | Norway | 59.78 | 7.58 | 3349 | 149 |
| Flat Top | city | Alabama | United States | 33.67 | -87.02 | 360 | |
| Flat Top | city | Mississippi | United States | 30.48 | -89.60 | 49 | |
| Flat Top | city | North Carolina | United States | 35.57 | -82.38 | 3704 | |
| Flat Top | city | Tennessee | United States | 35.36 | -85.22 | 1794 | |
| Flat Top | city | Texas | United States | 33.02 | -100.10 | 1669 | |
| Flat Top | city | Virginia | United States | 37.03 | -82.40 | 2509 | |
| Flat Top | city | West Virginia | United States | 37.59 | -81.11 | 3349 | |
| Flat Top | city | Alabama | United States | 33.12 | -87.10 | 830 | |
| Flat Valley | city | Saskatchewan | Canada | 54.30 | -109.23 | 1669 | 0 |
| Flat Woods | city | Tennessee | United States | 35.48 | -87.83 | 830 |