| Willimantic to Solofra | 4,307.98 mi (6,933.02 km) |
| Willimantic to Somma Lombardo | 3,872.54 mi (6,232.25 km) |
| Willimantic to Somma Vesuviana | 4,288.33 mi (6,901.40 km) |
| Willimantic to Sommacampagna | 3,973.63 mi (6,394.94 km) |
| Willimantic to Sona | 3,971.82 mi (6,392.03 km) |
| Willimantic to Sondrio | 3,906.94 mi (6,287.61 km) |
| Willimantic to Sora | 4,221.26 mi (6,793.46 km) |
| Willimantic to Sorbolo | 3,974.76 mi (6,396.77 km) |
| Willimantic to Soresina | 3,934.91 mi (6,332.62 km) |
| Willimantic to Sorisole | 3,911.73 mi (6,295.32 km) |
| Willimantic to Sorrento | 4,294.63 mi (6,911.54 km) |
| Willimantic to Sorso | 4,029.12 mi (6,484.25 km) |
| Willimantic to Sortino | 4,456.05 mi (7,171.32 km) |
| Willimantic to Soverato Marina | 4,465.27 mi (7,186.17 km) |
| Willimantic to Sovicille | 4,061.55 mi (6,536.43 km) |
