| Glastonbury to Manerbio | 711.78 mi (1,145.50 km) |
| Glastonbury to Manfredonia | 1,099.58 mi (1,769.60 km) |
| Glastonbury to Maniago | 781.82 mi (1,258.22 km) |
| Glastonbury to Mantova | 745.84 mi (1,200.31 km) |
| Glastonbury to Maranello | 776.20 mi (1,249.17 km) |
| Glastonbury to Marano di Napoli | 1,071.77 mi (1,724.84 km) |
| Glastonbury to Marano Vicentino | 748.17 mi (1,204.07 km) |
| Glastonbury to Marcianise | 1,069.23 mi (1,720.75 km) |
| Glastonbury to Marcon | 788.22 mi (1,268.52 km) |
| Glastonbury to Mareno di Piave | 779.21 mi (1,254.02 km) |
| Glastonbury to Margherita di Savoia | 1,120.99 mi (1,804.06 km) |
| Glastonbury to Mariano Comense | 661.52 mi (1,064.62 km) |
| Glastonbury to Marigliano | 1,079.62 mi (1,737.48 km) |
| Glastonbury to Marino | 974.30 mi (1,567.99 km) |
| Glastonbury to Marostica | 755.13 mi (1,215.27 km) |
