| Holyhead to Sosnowiec | 1,031.76 mi (1,660.46 km) |
| Holyhead to Srem | 906.81 mi (1,459.36 km) |
| Holyhead to Sroda Slaska | 906.69 mi (1,459.17 km) |
| Holyhead to Sroda Wielkopolska | 915.52 mi (1,473.38 km) |
| Holyhead to Stalowa Wola | 1,145.35 mi (1,843.26 km) |
| Holyhead to Starachowice | 1,093.87 mi (1,760.41 km) |
| Holyhead to Stargard Szczecinski | 809.77 mi (1,303.20 km) |
| Holyhead to Starogard Gdanski | 945.84 mi (1,522.19 km) |
| Holyhead to Stary Sacz | 1,112.41 mi (1,790.25 km) |
| Holyhead to Staszow | 1,108.96 mi (1,784.70 km) |
| Holyhead to Strzegom | 900.89 mi (1,449.84 km) |
| Holyhead to Strzelce Krajenskie | 834.45 mi (1,342.91 km) |
| Holyhead to Strzelce Opolskie | 991.45 mi (1,595.58 km) |
| Holyhead to Strzelin | 934.66 mi (1,504.19 km) |
| Holyhead to Strzyzow | 1,151.22 mi (1,852.71 km) |
