| Glastonbury to McKeesport (Pennsylvania) | 3,618.04 mi (5,822.68 km) |
| Glastonbury to McKinleyville (California) | 5,161.81 mi (8,307.13 km) |
| Glastonbury to McKinney (Texas) | 4,631.27 mi (7,453.31 km) |
| Glastonbury to McLean (Virginia) | 3,570.76 mi (5,746.59 km) |
| Glastonbury to McMinnville (Oregon) | 4,893.13 mi (7,874.74 km) |
| Glastonbury to McMinnville (Tennessee) | 4,073.00 mi (6,554.86 km) |
| Glastonbury to McNair (Virginia) | 3,579.41 mi (5,760.51 km) |
| Glastonbury to McPherson (Kansas) | 4,410.28 mi (7,097.67 km) |
| Glastonbury to Mead Valley (California) | 5,352.75 mi (8,614.42 km) |
| Glastonbury to Meadow Woods (Florida) | 4,241.69 mi (6,826.34 km) |
| Glastonbury to Meadowbrook (Virginia) | 3,649.73 mi (5,873.68 km) |
| Glastonbury to Meadville (Pennsylvania) | 3,573.40 mi (5,750.84 km) |
| Glastonbury to Mebane (North Carolina) | 3,785.88 mi (6,092.79 km) |
| Glastonbury to Mechanicsville (Virginia) | 3,636.02 mi (5,851.60 km) |
| Glastonbury to Medford (Massachusetts) | 3,171.62 mi (5,104.24 km) |
