| Elk River to Solofra | 5,024.76 mi (8,086.57 km) |
| Elk River to Somma Lombardo | 4,569.87 mi (7,354.49 km) |
| Elk River to Somma Vesuviana | 5,007.72 mi (8,059.14 km) |
| Elk River to Sommacampagna | 4,660.37 mi (7,500.14 km) |
| Elk River to Sona | 4,658.22 mi (7,496.68 km) |
| Elk River to Sondrio | 4,589.68 mi (7,386.38 km) |
| Elk River to Sora | 4,936.33 mi (7,944.25 km) |
| Elk River to Sorbolo | 4,671.78 mi (7,518.50 km) |
| Elk River to Soresina | 4,629.96 mi (7,451.20 km) |
| Elk River to Sorisole | 4,601.92 mi (7,406.07 km) |
| Elk River to Sorrento | 5,017.45 mi (8,074.81 km) |
| Elk River to Sorso | 4,791.32 mi (7,710.88 km) |
| Elk River to Sortino | 5,214.15 mi (8,391.37 km) |
| Elk River to Soverato Marina | 5,194.54 mi (8,359.81 km) |
| Elk River to Sovicille | 4,773.83 mi (7,682.73 km) |
