| Letchworth to Skien | 627.50 mi (1,009.87 km) |
| Letchworth to Sogndal | 696.37 mi (1,120.70 km) |
| Letchworth to Sogne | 527.44 mi (848.83 km) |
| Letchworth to Sola | 526.48 mi (847.30 km) |
| Letchworth to Sortland | 1,264.32 mi (2,034.73 km) |
| Letchworth to Sorum | 707.05 mi (1,137.89 km) |
| Letchworth to Stange | 743.68 mi (1,196.84 km) |
| Letchworth to Stavanger | 536.06 mi (862.70 km) |
| Letchworth to Steinkjer | 932.55 mi (1,500.79 km) |
| Letchworth to Stjordal | 895.79 mi (1,441.64 km) |
| Letchworth to Stjordalshalsen | 891.39 mi (1,434.55 km) |
| Letchworth to Stokke | 646.31 mi (1,040.14 km) |
| Letchworth to Stord | 583.78 mi (939.50 km) |
| Letchworth to Strand | 546.78 mi (879.95 km) |
| Letchworth to Svolvaer | 1,225.79 mi (1,972.72 km) |
