| Gaithersburg to Ovidiu | 5,055.34 mi (8,135.79 km) |
| Gaithersburg to Pantelimon | 4,955.89 mi (7,975.74 km) |
| Gaithersburg to Pascani | 4,859.29 mi (7,820.27 km) |
| Gaithersburg to Pechea | 4,967.74 mi (7,994.80 km) |
| Gaithersburg to Pecica | 4,684.19 mi (7,538.47 km) |
| Gaithersburg to Petrila | 4,805.52 mi (7,733.74 km) |
| Gaithersburg to Petrosani | 4,805.19 mi (7,733.21 km) |
| Gaithersburg to Piatra Neamt | 4,859.22 mi (7,820.15 km) |
| Gaithersburg to Pitesti | 4,886.52 mi (7,864.09 km) |
| Gaithersburg to Ploiesti | 4,928.41 mi (7,931.51 km) |
| Gaithersburg to Podu Iloaiei | 4,880.84 mi (7,854.96 km) |
| Gaithersburg to Poiana Mare | 4,853.21 mi (7,810.49 km) |
| Gaithersburg to Poienile de sub Munte | 4,749.77 mi (7,644.02 km) |
| Gaithersburg to Popesti-Leordeni | 4,957.65 mi (7,978.57 km) |
| Gaithersburg to Pucioasa | 4,899.92 mi (7,885.65 km) |
