| Skien to Sestu | 1,375.71 mi (2,213.99 km) |
| Skien to Settimo Torinese | 975.33 mi (1,569.64 km) |
| Skien to Seveso | 937.39 mi (1,508.58 km) |
| Skien to Sezze | 1,232.86 mi (1,984.09 km) |
| Skien to Siano | 1,291.11 mi (2,077.84 km) |
| Skien to Siena | 1,100.47 mi (1,771.04 km) |
| Skien to Signa | 1,067.75 mi (1,718.38 km) |
| Skien to Silea | 943.35 mi (1,518.18 km) |
| Skien to Silvi Paese | 1,167.36 mi (1,878.69 km) |
| Skien to Sinalunga | 1,108.77 mi (1,784.40 km) |
| Skien to Siniscola | 1,287.49 mi (2,072.01 km) |
| Skien to Sinnai | 1,375.42 mi (2,213.53 km) |
| Skien to Siracusa | 1,550.98 mi (2,496.07 km) |
| Skien to Solaro | 939.39 mi (1,511.81 km) |
| Skien to Soliera | 1,001.43 mi (1,611.65 km) |
