| Belfast to Sucha Beskidzka | 1,125.08 mi (1,810.63 km) |
| Belfast to Suchanino | 980.13 mi (1,577.36 km) |
| Belfast to Sulechow | 901.91 mi (1,451.48 km) |
| Belfast to Sulecin | 873.60 mi (1,405.93 km) |
| Belfast to Sulejowek | 1,124.85 mi (1,810.27 km) |
| Belfast to Suwalki | 1,154.52 mi (1,858.02 km) |
| Belfast to Swarzedz | 952.84 mi (1,533.45 km) |
| Belfast to Swidnica | 968.34 mi (1,558.40 km) |
| Belfast to Swidnik | 1,206.82 mi (1,942.19 km) |
| Belfast to Swidwin | 875.42 mi (1,408.85 km) |
| Belfast to Swiebodzice | 961.90 mi (1,548.03 km) |
| Belfast to Swiecie | 987.64 mi (1,589.45 km) |
| Belfast to Swiedbodzin | 894.77 mi (1,439.99 km) |
| Belfast to Swietochlowice | 1,081.48 mi (1,740.47 km) |
| Belfast to Swinoujscie | 813.03 mi (1,308.45 km) |
