| Willimantic to Dallas (Oregon) | 2,535.62 mi (4,080.68 km) |
| Willimantic to Dallas (Texas) | 1,477.60 mi (2,377.97 km) |
| Willimantic to Dalton (Georgia) | 841.14 mi (1,353.68 km) |
| Willimantic to Daly City (California) | 2,648.15 mi (4,261.78 km) |
| Willimantic to Damascus (Maryland) | 311.64 mi (501.54 km) |
| Willimantic to Damascus (Oregon) | 2,486.56 mi (4,001.72 km) |
| Willimantic to Dana Point (California) | 2,523.91 mi (4,061.84 km) |
| Willimantic to Danbury (Connecticut) | 68.67 mi (110.51 km) |
| Willimantic to Dania Beach (Florida) | 1,172.72 mi (1,887.31 km) |
| Willimantic to Danville (California) | 2,619.63 mi (4,215.89 km) |
| Willimantic to Danville (Illinois) | 810.09 mi (1,303.71 km) |
| Willimantic to Danville (Indiana) | 759.35 mi (1,222.06 km) |
| Willimantic to Danville (Kentucky) | 724.23 mi (1,165.53 km) |
| Willimantic to Danville (Virginia) | 523.62 mi (842.69 km) |
| Willimantic to Daphne (Alabama) | 1,158.98 mi (1,865.19 km) |
