| Willimantic to Darby (Pennsylvania) | 202.03 mi (325.14 km) |
| Willimantic to Dardenne Prairie (Missouri) | 995.96 mi (1,602.84 km) |
| Willimantic to Darien (Illinois) | 812.05 mi (1,306.87 km) |
| Willimantic to Davenport (Iowa) | 948.08 mi (1,525.80 km) |
| Willimantic to Davidson (North Carolina) | 633.25 mi (1,019.12 km) |
| Willimantic to Davie (Florida) | 1,174.18 mi (1,889.66 km) |
| Willimantic to Davis (California) | 2,589.04 mi (4,166.65 km) |
| Willimantic to Dayton (Nevada) | 2,462.66 mi (3,963.26 km) |
| Willimantic to Dayton (Ohio) | 641.08 mi (1,031.71 km) |
| Willimantic to Daytona Beach (Florida) | 997.74 mi (1,605.70 km) |
| Willimantic to De Pere (Wisconsin) | 821.05 mi (1,321.35 km) |
| Willimantic to De Witt (New York) | 217.37 mi (349.82 km) |
| Willimantic to Dearborn (Michigan) | 565.86 mi (910.66 km) |
| Willimantic to Dearborn Heights (Michigan) | 569.13 mi (915.92 km) |
| Willimantic to DeBary (Florida) | 1,023.52 mi (1,647.20 km) |
