| Potomac to Pike Creek Valley (Delaware) | 93.92 mi (151.16 km) |
| Potomac to Pikesville (Maryland) | 36.97 mi (59.50 km) |
| Potomac to Pine Bluff (Arkansas) | 885.17 mi (1,424.55 km) |
| Potomac to Pine Castle (Florida) | 767.16 mi (1,234.62 km) |
| Potomac to Pine Hill (New Jersey) | 129.47 mi (208.36 km) |
| Potomac to Pine Hills (Florida) | 761.18 mi (1,225.01 km) |
| Potomac to Pinecrest (Florida) | 939.85 mi (1,512.55 km) |
| Potomac to Pinehurst (North Carolina) | 292.27 mi (470.36 km) |
| Potomac to Pinellas Park (Florida) | 833.28 mi (1,341.03 km) |
| Potomac to Pineville (Louisiana) | 1,007.57 mi (1,621.53 km) |
| Potomac to Pineville (North Carolina) | 339.36 mi (546.14 km) |
| Potomac to Pinewood (Florida) | 924.97 mi (1,488.60 km) |
| Potomac to Piney Green (North Carolina) | 294.72 mi (474.30 km) |
| Potomac to Pinole (California) | 2,413.66 mi (3,884.40 km) |
| Potomac to Piqua (Ohio) | 383.42 mi (617.05 km) |
