| Williamstown to Ovidiu | 4,942.40 mi (7,954.03 km) |
| Williamstown to Pantelimon | 4,842.08 mi (7,792.58 km) |
| Williamstown to Pascani | 4,747.99 mi (7,641.14 km) |
| Williamstown to Pechea | 4,855.55 mi (7,814.25 km) |
| Williamstown to Pecica | 4,569.72 mi (7,354.26 km) |
| Williamstown to Petrila | 4,691.37 mi (7,550.03 km) |
| Williamstown to Petrosani | 4,691.00 mi (7,549.43 km) |
| Williamstown to Piatra Neamt | 4,747.49 mi (7,640.34 km) |
| Williamstown to Pitesti | 4,772.48 mi (7,680.57 km) |
| Williamstown to Ploiesti | 4,814.91 mi (7,748.84 km) |
| Williamstown to Podu Iloaiei | 4,769.75 mi (7,676.16 km) |
| Williamstown to Poiana Mare | 4,737.78 mi (7,624.72 km) |
| Williamstown to Poienile de sub Munte | 4,637.99 mi (7,464.13 km) |
| Williamstown to Popesti-Leordeni | 4,843.78 mi (7,795.31 km) |
| Williamstown to Pucioasa | 4,786.28 mi (7,702.77 km) |
