| Watford to Parczew | 993.15 mi (1,598.32 km) |
| Watford to Paslek | 850.22 mi (1,368.30 km) |
| Watford to Piaseczno | 910.80 mi (1,465.79 km) |
| Watford to Piastow | 902.87 mi (1,453.04 km) |
| Watford to Piekary Slaskie | 842.91 mi (1,356.54 km) |
| Watford to Pila | 727.62 mi (1,170.99 km) |
| Watford to Pinczow | 908.34 mi (1,461.84 km) |
| Watford to Pionki | 934.76 mi (1,504.35 km) |
| Watford to Piotrkow Trybunalski | 860.57 mi (1,384.95 km) |
| Watford to Pisz | 936.57 mi (1,507.26 km) |
| Watford to Pleszew | 775.42 mi (1,247.92 km) |
| Watford to Plewiska | 731.59 mi (1,177.38 km) |
| Watford to Plock | 852.34 mi (1,371.70 km) |
| Watford to Plonsk | 880.56 mi (1,417.13 km) |
| Watford to Pobiedziska | 759.56 mi (1,222.39 km) |
