| Seia to Sucha Beskidzka | 1,467.87 mi (2,362.31 km) |
| Seia to Suchanino | 1,546.90 mi (2,489.50 km) |
| Seia to Sulechow | 1,364.95 mi (2,196.68 km) |
| Seia to Sulecin | 1,357.66 mi (2,184.95 km) |
| Seia to Sulejowek | 1,590.07 mi (2,558.98 km) |
| Seia to Suwalki | 1,698.56 mi (2,733.57 km) |
| Seia to Swarzedz | 1,430.08 mi (2,301.50 km) |
| Seia to Swidnica | 1,363.22 mi (2,193.88 km) |
| Seia to Swidnik | 1,626.93 mi (2,618.29 km) |
| Seia to Swidwin | 1,427.11 mi (2,296.71 km) |
| Seia to Swiebodzice | 1,357.62 mi (2,184.88 km) |
| Seia to Swiecie | 1,511.41 mi (2,432.38 km) |
| Seia to Swiedbodzin | 1,367.08 mi (2,200.10 km) |
| Seia to Swietochlowice | 1,450.27 mi (2,333.99 km) |
| Seia to Swinoujscie | 1,379.67 mi (2,220.36 km) |
