| Willimantic to Secaucus (New Jersey) | 116.03 mi (186.73 km) |
| Willimantic to Security-Widefield (Colorado) | 1,716.37 mi (2,762.24 km) |
| Willimantic to Sedalia (Missouri) | 1,125.62 mi (1,811.51 km) |
| Willimantic to Sedro-Woolley (Washington) | 2,438.56 mi (3,924.49 km) |
| Willimantic to Seguin (Texas) | 1,661.66 mi (2,674.18 km) |
| Willimantic to Selden (New York) | 72.76 mi (117.10 km) |
| Willimantic to Selma (Alabama) | 1,037.00 mi (1,668.89 km) |
| Willimantic to Selma (California) | 2,532.63 mi (4,075.87 km) |
| Willimantic to Selma (Texas) | 1,678.32 mi (2,700.99 km) |
| Willimantic to Seminole (Florida) | 1,128.80 mi (1,816.63 km) |
| Willimantic to Seven Hills (Ohio) | 489.59 mi (787.91 km) |
| Willimantic to Seven Oaks (South Carolina) | 718.96 mi (1,157.05 km) |
| Willimantic to Severn (Maryland) | 295.64 mi (475.78 km) |
| Willimantic to Severna Park (Maryland) | 292.48 mi (470.70 km) |
| Willimantic to Sevierville (Tennessee) | 731.26 mi (1,176.85 km) |
