| Gourock to Sucha Beskidzka | 1,097.82 mi (1,766.77 km) |
| Gourock to Suchanino | 926.69 mi (1,491.36 km) |
| Gourock to Sulechow | 867.79 mi (1,396.57 km) |
| Gourock to Sulecin | 837.78 mi (1,348.28 km) |
| Gourock to Sulejowek | 1,080.90 mi (1,739.54 km) |
| Gourock to Suwalki | 1,098.76 mi (1,768.29 km) |
| Gourock to Swarzedz | 914.01 mi (1,470.95 km) |
| Gourock to Swidnica | 940.88 mi (1,514.21 km) |
| Gourock to Swidnik | 1,166.34 mi (1,877.04 km) |
| Gourock to Swidwin | 828.80 mi (1,333.83 km) |
| Gourock to Swiebodzice | 934.65 mi (1,504.18 km) |
| Gourock to Swiecie | 940.34 mi (1,513.33 km) |
| Gourock to Swiedbodzin | 859.61 mi (1,383.41 km) |
| Gourock to Swietochlowice | 1,052.47 mi (1,693.79 km) |
| Gourock to Swinoujscie | 767.25 mi (1,234.78 km) |
