| Glastonbury to Dardenne Prairie (Missouri) | 4,125.27 mi (6,638.97 km) |
| Glastonbury to Darien (Illinois) | 3,879.07 mi (6,242.77 km) |
| Glastonbury to Davenport (Iowa) | 3,988.90 mi (6,419.52 km) |
| Glastonbury to Davidson (North Carolina) | 3,878.28 mi (6,241.49 km) |
| Glastonbury to Davie (Florida) | 4,310.04 mi (6,936.34 km) |
| Glastonbury to Davis (California) | 5,228.77 mi (8,414.90 km) |
| Glastonbury to Dayton (Nevada) | 5,121.93 mi (8,242.95 km) |
| Glastonbury to Dayton (Ohio) | 3,818.99 mi (6,146.07 km) |
| Glastonbury to Daytona Beach (Florida) | 4,190.33 mi (6,743.68 km) |
| Glastonbury to De Pere (Wisconsin) | 3,762.29 mi (6,054.81 km) |
| Glastonbury to De Witt (New York) | 3,350.75 mi (5,392.52 km) |
| Glastonbury to Dearborn (Michigan) | 3,666.86 mi (5,901.24 km) |
| Glastonbury to Dearborn Heights (Michigan) | 3,669.23 mi (5,905.05 km) |
| Glastonbury to DeBary (Florida) | 4,215.54 mi (6,784.25 km) |
| Glastonbury to Decatur (Alabama) | 4,175.55 mi (6,719.90 km) |
