| Watford to Ovidiu | 1,422.05 mi (2,288.57 km) |
| Watford to Pantelimon | 1,316.13 mi (2,118.11 km) |
| Watford to Pascani | 1,247.81 mi (2,008.15 km) |
| Watford to Pechea | 1,342.99 mi (2,161.34 km) |
| Watford to Pecica | 1,041.06 mi (1,675.43 km) |
| Watford to Petrila | 1,164.02 mi (1,873.31 km) |
| Watford to Petrosani | 1,163.38 mi (1,872.28 km) |
| Watford to Piatra Neamt | 1,241.84 mi (1,998.55 km) |
| Watford to Pitesti | 1,245.47 mi (2,004.39 km) |
| Watford to Ploiesti | 1,291.14 mi (2,077.89 km) |
| Watford to Podu Iloaiei | 1,271.82 mi (2,046.80 km) |
| Watford to Poiana Mare | 1,206.17 mi (1,941.14 km) |
| Watford to Poienile de sub Munte | 1,134.04 mi (1,825.07 km) |
| Watford to Popesti-Leordeni | 1,317.42 mi (2,120.18 km) |
| Watford to Pucioasa | 1,261.70 mi (2,030.52 km) |
