| Willimantic to Somerset (New Jersey) | 145.53 mi (234.21 km) |
| Willimantic to Somersworth (New Hampshire) | 125.82 mi (202.48 km) |
| Willimantic to Somerton (Arizona) | 2,396.81 mi (3,857.30 km) |
| Willimantic to Somerville (Massachusetts) | 73.55 mi (118.37 km) |
| Willimantic to Somerville (New Jersey) | 147.81 mi (237.88 km) |
| Willimantic to Sonoma (California) | 2,632.14 mi (4,236.03 km) |
| Willimantic to Soquel (California) | 2,640.05 mi (4,248.74 km) |
| Willimantic to South Bend (Indiana) | 724.46 mi (1,165.91 km) |
| Willimantic to South Bradenton (Florida) | 1,146.08 mi (1,844.44 km) |
| Willimantic to South Burlington (Vermont) | 196.37 mi (316.03 km) |
| Willimantic to South Charleston (West Virginia) | 553.82 mi (891.29 km) |
| Willimantic to South Daytona (Florida) | 997.24 mi (1,604.90 km) |
| Willimantic to South El Monte (California) | 2,524.42 mi (4,062.67 km) |
| Willimantic to South Elgin (Illinois) | 827.67 mi (1,332.01 km) |
| Willimantic to South Euclid (Ohio) | 480.98 mi (774.07 km) |
