| Mountain Ash to Sucha Beskidzka | 1,009.53 mi (1,624.68 km) |
| Mountain Ash to Suchanino | 928.23 mi (1,493.84 km) |
| Mountain Ash to Sulechow | 808.33 mi (1,300.89 km) |
| Mountain Ash to Sulecin | 785.05 mi (1,263.41 km) |
| Mountain Ash to Sulejowek | 1,045.47 mi (1,682.52 km) |
| Mountain Ash to Suwalki | 1,102.75 mi (1,774.70 km) |
| Mountain Ash to Swarzedz | 867.60 mi (1,396.27 km) |
| Mountain Ash to Swidnica | 857.96 mi (1,380.75 km) |
| Mountain Ash to Swidnik | 1,117.44 mi (1,798.34 km) |
| Mountain Ash to Swidwin | 811.49 mi (1,305.97 km) |
| Mountain Ash to Swiebodzice | 851.32 mi (1,370.06 km) |
| Mountain Ash to Swiecie | 920.56 mi (1,481.50 km) |
| Mountain Ash to Swiedbodzin | 803.78 mi (1,293.57 km) |
| Mountain Ash to Swietochlowice | 970.71 mi (1,562.20 km) |
| Mountain Ash to Swinoujscie | 750.38 mi (1,207.62 km) |
