| Watford to Sonneberg | 510.18 mi (821.06 km) |
| Watford to Sonsbeck | 290.37 mi (467.30 km) |
| Watford to Sonthofen | 556.44 mi (895.51 km) |
| Watford to Spaichingen | 475.54 mi (765.30 km) |
| Watford to Spelle | 337.79 mi (543.63 km) |
| Watford to Spenge | 379.79 mi (611.21 km) |
| Watford to Speyer | 419.91 mi (675.77 km) |
| Watford to Spiesen-Elversberg | 368.07 mi (592.35 km) |
| Watford to Spremberg | 632.86 mi (1,018.49 km) |
| Watford to Springe | 425.11 mi (684.15 km) |
| Watford to Sprockhovel | 329.23 mi (529.84 km) |
| Watford to Stade | 434.88 mi (699.87 km) |
| Watford to Stadtallendorf | 410.76 mi (661.05 km) |
| Watford to Stadthagen | 410.87 mi (661.23 km) |
| Watford to Stadtlohn | 312.94 mi (503.63 km) |
