| Potomac to Parempuyre | 3,806.41 mi (6,125.83 km) |
| Potomac to Paris | 3,832.70 mi (6,168.13 km) |
| Potomac to Parthenay | 3,777.67 mi (6,079.57 km) |
| Potomac to Passy | 4,100.35 mi (6,598.88 km) |
| Potomac to Pau | 3,862.39 mi (6,215.92 km) |
| Potomac to Pelissanne | 4,103.01 mi (6,603.15 km) |
| Potomac to Perenchies | 3,812.46 mi (6,135.56 km) |
| Potomac to Perigny | 3,752.85 mi (6,039.62 km) |
| Potomac to Perigueux | 3,859.36 mi (6,211.03 km) |
| Potomac to Pernes-les-Fontaines | 4,087.67 mi (6,578.47 km) |
| Potomac to Perols | 4,051.18 mi (6,519.74 km) |
| Potomac to Perpignan | 4,029.52 mi (6,484.89 km) |
| Potomac to Persan | 3,821.67 mi (6,150.38 km) |
| Potomac to Pertuis | 4,116.82 mi (6,625.38 km) |
| Potomac to Pessac | 3,809.06 mi (6,130.10 km) |
