| Glastonbury to Mancha Real | 924.28 mi (1,487.48 km) |
| Glastonbury to Manilva | 1,027.83 mi (1,654.13 km) |
| Glastonbury to Manises | 813.35 mi (1,308.97 km) |
| Glastonbury to Manlleu | 674.80 mi (1,085.98 km) |
| Glastonbury to Manresa | 685.66 mi (1,103.47 km) |
| Glastonbury to Manzanares | 840.24 mi (1,352.23 km) |
| Glastonbury to Manzanares el Real | 722.12 mi (1,162.15 km) |
| Glastonbury to Maracena | 964.80 mi (1,552.70 km) |
| Glastonbury to Marbella | 1,016.61 mi (1,636.07 km) |
| Glastonbury to Marchena | 963.69 mi (1,550.91 km) |
| Glastonbury to Marin | 667.42 mi (1,074.12 km) |
| Glastonbury to Marratxi | 837.50 mi (1,347.82 km) |
| Glastonbury to Martorell | 703.84 mi (1,132.73 km) |
| Glastonbury to Martos | 930.07 mi (1,496.80 km) |
| Glastonbury to Masamagrell | 808.19 mi (1,300.66 km) |
