| Willimantic to Dixon (California) | 2,596.17 mi (4,178.14 km) |
| Willimantic to Dixon (Illinois) | 888.24 mi (1,429.49 km) |
| Willimantic to Dobbs Ferry (New York) | 98.81 mi (159.01 km) |
| Willimantic to Doctor Phillips (Florida) | 1,054.83 mi (1,697.58 km) |
| Willimantic to Dodge City (Kansas) | 1,495.66 mi (2,407.03 km) |
| Willimantic to Dolton (Illinois) | 793.06 mi (1,276.30 km) |
| Willimantic to Donna (Texas) | 1,818.97 mi (2,927.35 km) |
| Willimantic to Dorado (Puerto Rico) | 1,644.20 mi (2,646.09 km) |
| Willimantic to Doral (Florida) | 1,192.74 mi (1,919.53 km) |
| Willimantic to Doraville (Georgia) | 849.72 mi (1,367.49 km) |
| Willimantic to Dothan (Alabama) | 1,028.27 mi (1,654.84 km) |
| Willimantic to Douglas (Arizona) | 2,172.54 mi (3,496.37 km) |
| Willimantic to Douglas (Georgia) | 918.32 mi (1,477.90 km) |
| Willimantic to Douglasville (Georgia) | 875.94 mi (1,409.69 km) |
| Willimantic to Dover (Delaware) | 247.88 mi (398.93 km) |
