| Glastonbury to Dallas (Texas) | 4,655.90 mi (7,492.95 km) |
| Glastonbury to Dalton (Georgia) | 4,083.47 mi (6,571.71 km) |
| Glastonbury to Daly City (California) | 5,300.79 mi (8,530.79 km) |
| Glastonbury to Damascus (Maryland) | 3,556.47 mi (5,723.58 km) |
| Glastonbury to Damascus (Oregon) | 4,860.22 mi (7,821.77 km) |
| Glastonbury to Dana Point (California) | 5,386.75 mi (8,669.14 km) |
| Glastonbury to Danbury (Connecticut) | 3,311.28 mi (5,328.99 km) |
| Glastonbury to Dania Beach (Florida) | 4,305.73 mi (6,929.40 km) |
| Glastonbury to Danville (California) | 5,278.29 mi (8,494.59 km) |
| Glastonbury to Danville (Illinois) | 3,937.93 mi (6,337.48 km) |
| Glastonbury to Danville (Indiana) | 3,911.78 mi (6,295.40 km) |
| Glastonbury to Danville (Kentucky) | 3,940.39 mi (6,341.45 km) |
| Glastonbury to Danville (Virginia) | 3,768.68 mi (6,065.11 km) |
| Glastonbury to Daphne (Alabama) | 4,405.05 mi (7,089.24 km) |
| Glastonbury to Darby (Pennsylvania) | 3,448.11 mi (5,549.19 km) |
