| Watford to Rury | 983.00 mi (1,581.99 km) |
| Watford to Rybnik | 830.83 mi (1,337.09 km) |
| Watford to Ryki | 953.62 mi (1,534.71 km) |
| Watford to Rypin | 840.29 mi (1,352.32 km) |
| Watford to Rzeszow | 979.56 mi (1,576.46 km) |
| Watford to Sandomierz | 958.07 mi (1,541.86 km) |
| Watford to Sanok | 998.12 mi (1,606.31 km) |
| Watford to Sedziszow Malopolski | 966.11 mi (1,554.81 km) |
| Watford to Sepolno Krajenskie | 761.12 mi (1,224.91 km) |
| Watford to Sidlice | 809.44 mi (1,302.67 km) |
| Watford to Siechnice | 756.70 mi (1,217.79 km) |
| Watford to Siedlce | 962.86 mi (1,549.57 km) |
| Watford to Siemianowice Slaskie | 846.21 mi (1,361.84 km) |
| Watford to Siemiatycze | 985.61 mi (1,586.19 km) |
| Watford to Sieradz | 818.83 mi (1,317.79 km) |
