| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Petra | city | Kentucky | United States | 38.62 | -84.13 | 830 | |
| Petra Mills | city | North Carolina | United States | 35.84 | -81.36 | 1000 | |
| Petran | city | Minnesota | United States | 43.66 | -93.21 | 1669 | |
| Petrea | city | Ohio | United States | 39.07 | -82.60 | 895 | |
| Petrel | city | North Dakota | United States | 45.95 | -102.28 | 2598 | |
| Petrey | city | Alabama | United States | 31.85 | -86.21 | 383 | |
| Petri | city | Kentucky | United States | 37.93 | -86.80 | 403 | |
| Petrie | city | Wyoming | United States | 43.03 | -106.74 | 5869 | |
| Petries Corners | city | New York | United States | 43.80 | -75.36 | 967 | |
| Petrieville | city | Michigan | United States | 42.54 | -84.62 | 889 | |
| Petro (historical) | city | California | United States | 35.70 | -119.33 | 272 | |
| Petroburgum | city | West Virginia | United States | 38.99 | -79.12 | 997 | |
| Petroleum | city | Indiana | United States | 40.61 | -85.15 | 846 | |
| Petroleum | city | Kentucky | United States | 36.70 | -86.25 | 830 | |
| Petroleum | city | Ohio | United States | 41.20 | -80.54 | 869 | |
| Petroleum | city | West Virginia | United States | 39.19 | -81.27 | 830 | |
| Petroleum (historical) | city | California | United States | 36.99 | -122.14 | 377 | |
| Petroleum Center | city | Pennsylvania | United States | 41.52 | -79.68 | 1105 | |
| Petrolia | city | Illinois | United States | 38.76 | -87.78 | 830 | |
| Petrolia | city | Kansas | United States | 37.75 | -95.47 | 908 | |
| Petrolia | city | New York | United States | 42.09 | -78.02 | 1919 | |
| Petrolia | city | Pennsylvania | United States | 41.02 | -79.72 | 1210 | |
| Petrolia | city | Texas | United States | 34.01 | -98.23 | 1017 | |
| Petrolia | city | California | United States | 40.33 | -124.29 | 196 | |
| Petronella | city | United States Virgin Islands | United States | 17.73 | -64.67 | 3 | |
| Petronia | city | Alabama | United States | 32.27 | -86.79 | 400 | |
| Petronila | city | Texas | United States | 27.67 | -97.64 | 49 | |
| Petros | city | Kentucky | United States | 36.90 | -86.60 | 830 | |
| Petros | city | Oklahoma | United States | 34.87 | -94.61 | 830 | |
| Petros | city | Tennessee | United States | 36.10 | -84.44 | 1669 | |
| Petross | city | Georgia | United States | 32.15 | -82.47 | 291 |