| Willimantic to Senftenberg | 3,906.00 mi (6,286.11 km) |
| Willimantic to Siegburg | 3,659.28 mi (5,889.05 km) |
| Willimantic to Siegen | 3,689.56 mi (5,937.77 km) |
| Willimantic to Sigmaringen | 3,819.68 mi (6,147.18 km) |
| Willimantic to Simbach am Inn | 3,969.90 mi (6,388.94 km) |
| Willimantic to Simmerath | 3,628.27 mi (5,839.14 km) |
| Willimantic to Sindelfingen | 3,791.98 mi (6,102.61 km) |
| Willimantic to Sinsheim | 3,771.19 mi (6,069.14 km) |
| Willimantic to Sinzheim | 3,756.12 mi (6,044.90 km) |
| Willimantic to Sinzig | 3,668.19 mi (5,903.38 km) |
| Willimantic to Soest | 3,674.36 mi (5,913.31 km) |
| Willimantic to Solingen | 3,644.56 mi (5,865.36 km) |
| Willimantic to Soltau | 3,702.84 mi (5,959.14 km) |
| Willimantic to Sommerda | 3,804.27 mi (6,122.39 km) |
| Willimantic to Sondershausen | 3,788.47 mi (6,096.95 km) |
