| South Portland to Skien | 3,374.92 mi (5,431.41 km) |
| South Portland to Sogndal | 3,253.40 mi (5,235.85 km) |
| South Portland to Sogne | 3,338.99 mi (5,373.59 km) |
| South Portland to Sola | 3,247.48 mi (5,226.32 km) |
| South Portland to Sortland | 3,351.29 mi (5,393.38 km) |
| South Portland to Sorum | 3,412.99 mi (5,492.67 km) |
| South Portland to Stange | 3,401.99 mi (5,474.98 km) |
| South Portland to Stavanger | 3,250.62 mi (5,231.37 km) |
| South Portland to Steinkjer | 3,335.41 mi (5,367.82 km) |
| South Portland to Stjordal | 3,336.41 mi (5,369.44 km) |
| South Portland to Stjordalshalsen | 3,329.03 mi (5,357.56 km) |
| South Portland to Stokke | 3,398.18 mi (5,468.84 km) |
| South Portland to Stord | 3,225.83 mi (5,191.47 km) |
| South Portland to Strand | 3,258.92 mi (5,244.72 km) |
| South Portland to Svolvaer | 3,338.96 mi (5,373.53 km) |
