| Willimantic to Delaware (Ohio) | 574.60 mi (924.73 km) |
| Willimantic to Delhi (California) | 2,569.00 mi (4,134.40 km) |
| Willimantic to Delray Beach (Florida) | 1,145.56 mi (1,843.60 km) |
| Willimantic to Deltona (Florida) | 1,019.01 mi (1,639.94 km) |
| Willimantic to Deming (New Mexico) | 2,050.52 mi (3,299.99 km) |
| Willimantic to Denison (Texas) | 1,434.04 mi (2,307.86 km) |
| Willimantic to Dent (Ohio) | 676.66 mi (1,088.98 km) |
| Willimantic to Denton (Texas) | 1,481.05 mi (2,383.53 km) |
| Willimantic to Dentsville (South Carolina) | 710.57 mi (1,143.55 km) |
| Willimantic to Denver (Colorado) | 1,705.07 mi (2,744.04 km) |
| Willimantic to Depew (New York) | 341.75 mi (550.00 km) |
| Willimantic to Derby (Connecticut) | 52.56 mi (84.59 km) |
| Willimantic to Derby (Kansas) | 1,358.05 mi (2,185.57 km) |
| Willimantic to Des Moines (Iowa) | 1,102.07 mi (1,773.60 km) |
| Willimantic to Des Moines (Washington) | 2,454.38 mi (3,949.94 km) |
