| Watford to Nitra | 850.51 mi (1,368.77 km) |
| Watford to Nova Dubnica | 837.20 mi (1,347.35 km) |
| Watford to Nove Mesto nad Vahom | 828.17 mi (1,332.80 km) |
| Watford to Nove Zamky | 862.34 mi (1,387.80 km) |
| Watford to Partizanske | 854.44 mi (1,375.08 km) |
| Watford to Petrzalka | 814.26 mi (1,310.43 km) |
| Watford to Pezinok | 816.19 mi (1,313.53 km) |
| Watford to Piest'any | 832.55 mi (1,339.87 km) |
| Watford to Poprad | 926.34 mi (1,490.80 km) |
| Watford to Povazska Bystrica | 845.74 mi (1,361.08 km) |
| Watford to Presov | 967.97 mi (1,557.80 km) |
| Watford to Prievidza | 861.46 mi (1,386.38 km) |
| Watford to Puchov | 840.85 mi (1,353.22 km) |
| Watford to Revuca | 927.26 mi (1,492.27 km) |
| Watford to Rimavska Sobota | 930.56 mi (1,497.59 km) |
