| Southend to Sucha Beskidzka | 834.13 mi (1,342.40 km) |
| Southend to Suchanino | 767.43 mi (1,235.06 km) |
| Southend to Sulechow | 636.64 mi (1,024.57 km) |
| Southend to Sulecin | 614.71 mi (989.28 km) |
| Southend to Sulejowek | 875.37 mi (1,408.78 km) |
| Southend to Suwalki | 940.09 mi (1,512.94 km) |
| Southend to Swarzedz | 697.32 mi (1,122.23 km) |
| Southend to Swidnica | 683.27 mi (1,099.61 km) |
| Southend to Swidnik | 944.95 mi (1,520.75 km) |
| Southend to Swidwin | 648.14 mi (1,043.08 km) |
| Southend to Swiebodzice | 676.63 mi (1,088.92 km) |
| Southend to Swiecie | 754.77 mi (1,214.69 km) |
| Southend to Swiedbodzin | 632.70 mi (1,018.23 km) |
| Southend to Swietochlowice | 795.71 mi (1,280.58 km) |
| Southend to Swinoujscie | 588.57 mi (947.21 km) |
