| Donostia to Sucha Beskidzka | 1,112.02 mi (1,789.62 km) |
| Donostia to Suchanino | 1,199.65 mi (1,930.66 km) |
| Donostia to Sulechow | 1,013.51 mi (1,631.08 km) |
| Donostia to Sulecin | 1,007.92 mi (1,622.09 km) |
| Donostia to Sulejowek | 1,235.57 mi (1,988.45 km) |
| Donostia to Suwalki | 1,346.95 mi (2,167.71 km) |
| Donostia to Swarzedz | 1,078.24 mi (1,735.26 km) |
| Donostia to Swidnica | 1,008.39 mi (1,622.84 km) |
| Donostia to Swidnik | 1,271.14 mi (2,045.70 km) |
| Donostia to Swidwin | 1,081.48 mi (1,740.47 km) |
| Donostia to Swiebodzice | 1,002.88 mi (1,613.98 km) |
| Donostia to Swiecie | 1,161.26 mi (1,868.87 km) |
| Donostia to Swiedbodzin | 1,016.22 mi (1,635.44 km) |
| Donostia to Swietochlowice | 1,094.40 mi (1,761.27 km) |
| Donostia to Swinoujscie | 1,037.26 mi (1,669.31 km) |
