| Forest Grove to Solofra | 5,929.64 mi (9,542.83 km) |
| Forest Grove to Somma Lombardo | 5,484.88 mi (8,827.06 km) |
| Forest Grove to Somma Vesuviana | 5,917.06 mi (9,522.58 km) |
| Forest Grove to Sommacampagna | 5,555.83 mi (8,941.24 km) |
| Forest Grove to Sona | 5,553.44 mi (8,937.39 km) |
| Forest Grove to Sondrio | 5,485.90 mi (8,828.71 km) |
| Forest Grove to Sora | 5,845.47 mi (9,407.37 km) |
| Forest Grove to Sorbolo | 5,578.63 mi (8,977.94 km) |
| Forest Grove to Soresina | 5,537.67 mi (8,912.01 km) |
| Forest Grove to Sorisole | 5,506.01 mi (8,861.07 km) |
| Forest Grove to Sorrento | 5,930.37 mi (9,544.00 km) |
| Forest Grove to Sorso | 5,768.09 mi (9,282.85 km) |
| Forest Grove to Sortino | 6,158.02 mi (9,910.38 km) |
| Forest Grove to Soverato Marina | 6,103.09 mi (9,821.98 km) |
| Forest Grove to Sovicille | 5,691.39 mi (9,159.41 km) |
