| Willimantic to Stony Brook (New York) | 73.50 mi (118.28 km) |
| Willimantic to Storm Lake (Iowa) | 1,174.94 mi (1,890.89 km) |
| Willimantic to Storrs (Connecticut) | 6.63 mi (10.67 km) |
| Willimantic to Stoughton (Wisconsin) | 871.53 mi (1,402.60 km) |
| Willimantic to Stow (Ohio) | 478.89 mi (770.70 km) |
| Willimantic to Streamwood (Illinois) | 820.58 mi (1,320.60 km) |
| Willimantic to Streator (Illinois) | 860.65 mi (1,385.08 km) |
| Willimantic to Streetsboro (Ohio) | 473.76 mi (762.44 km) |
| Willimantic to Strongsville (Ohio) | 498.22 mi (801.80 km) |
| Willimantic to Stuart (Florida) | 1,101.48 mi (1,772.67 km) |
| Willimantic to Stuarts Draft (Virginia) | 442.77 mi (712.58 km) |
| Willimantic to Sturgis (Michigan) | 680.06 mi (1,094.44 km) |
| Willimantic to Suamico (Wisconsin) | 822.56 mi (1,323.78 km) |
| Willimantic to Sudley (Virginia) | 344.31 mi (554.11 km) |
| Willimantic to Suffern (New York) | 108.38 mi (174.42 km) |
