| Willimantic to Sestu | 4,105.16 mi (6,606.61 km) |
| Willimantic to Settimo Torinese | 3,849.68 mi (6,195.47 km) |
| Willimantic to Seveso | 3,892.56 mi (6,264.47 km) |
| Willimantic to Sezze | 4,204.94 mi (6,767.19 km) |
| Willimantic to Siano | 4,302.28 mi (6,923.85 km) |
| Willimantic to Siena | 4,064.62 mi (6,541.37 km) |
| Willimantic to Signa | 4,038.62 mi (6,499.54 km) |
| Willimantic to Silea | 4,026.49 mi (6,480.01 km) |
| Willimantic to Silvi Paese | 4,212.84 mi (6,779.91 km) |
| Willimantic to Sinalunga | 4,085.64 mi (6,575.20 km) |
| Willimantic to Siniscola | 4,087.55 mi (6,578.28 km) |
| Willimantic to Sinnai | 4,110.14 mi (6,614.63 km) |
| Willimantic to Siracusa | 4,471.41 mi (7,196.04 km) |
| Willimantic to Solaro | 3,891.17 mi (6,262.24 km) |
| Willimantic to Soliera | 3,998.81 mi (6,435.47 km) |
