| Willoughby to Mancha Real | 3,997.65 mi (6,433.59 km) |
| Willoughby to Manilva | 3,969.05 mi (6,387.57 km) |
| Willoughby to Manises | 4,085.09 mi (6,574.32 km) |
| Willoughby to Manlleu | 4,119.63 mi (6,629.91 km) |
| Willoughby to Manresa | 4,109.10 mi (6,612.96 km) |
| Willoughby to Manzanares | 3,966.93 mi (6,384.15 km) |
| Willoughby to Manzanares el Real | 3,885.94 mi (6,253.82 km) |
| Willoughby to Maracena | 4,017.26 mi (6,465.15 km) |
| Willoughby to Marbella | 3,981.90 mi (6,408.25 km) |
| Willoughby to Marchena | 3,927.98 mi (6,321.47 km) |
| Willoughby to Marin | 3,610.85 mi (5,811.11 km) |
| Willoughby to Marratxi | 4,225.14 mi (6,799.70 km) |
| Willoughby to Martorell | 4,122.47 mi (6,634.48 km) |
| Willoughby to Martos | 3,983.38 mi (6,410.63 km) |
| Willoughby to Masamagrell | 4,087.52 mi (6,578.23 km) |
