| Glastonbury to Decatur (Georgia) | 4,103.24 mi (6,603.53 km) |
| Glastonbury to Decatur (Illinois) | 4,003.17 mi (6,442.48 km) |
| Glastonbury to Deer Park (New York) | 3,331.85 mi (5,362.10 km) |
| Glastonbury to Deer Park (Texas) | 4,748.20 mi (7,641.50 km) |
| Glastonbury to Deerfield (Illinois) | 3,854.93 mi (6,203.92 km) |
| Glastonbury to Deerfield Beach (Florida) | 4,291.93 mi (6,907.19 km) |
| Glastonbury to Defiance (Ohio) | 3,758.08 mi (6,048.05 km) |
| Glastonbury to DeForest (Wisconsin) | 3,864.03 mi (6,218.55 km) |
| Glastonbury to DeKalb (Illinois) | 3,900.22 mi (6,276.79 km) |
| Glastonbury to Del Aire (California) | 5,384.21 mi (8,665.05 km) |
| Glastonbury to Del City (Oklahoma) | 4,547.94 mi (7,319.21 km) |
| Glastonbury to Del Rio (Texas) | 4,994.31 mi (8,037.57 km) |
| Glastonbury to DeLand (Florida) | 4,207.06 mi (6,770.61 km) |
| Glastonbury to Delano (California) | 5,309.14 mi (8,544.23 km) |
| Glastonbury to Delaware (Ohio) | 3,751.08 mi (6,036.79 km) |
