| Barstow to Mancha Real | 5,852.15 mi (9,418.12 km) |
| Barstow to Manilva | 5,846.42 mi (9,408.91 km) |
| Barstow to Manises | 5,901.47 mi (9,497.50 km) |
| Barstow to Manlleu | 5,886.13 mi (9,472.82 km) |
| Barstow to Manresa | 5,882.44 mi (9,466.87 km) |
| Barstow to Manzanares | 5,807.20 mi (9,345.79 km) |
| Barstow to Manzanares el Real | 5,709.58 mi (9,188.68 km) |
| Barstow to Maracena | 5,877.81 mi (9,459.43 km) |
| Barstow to Marbella | 5,856.05 mi (9,424.40 km) |
| Barstow to Marchena | 5,797.18 mi (9,329.65 km) |
| Barstow to Marin | 5,442.74 mi (8,759.25 km) |
| Barstow to Marratxi | 6,017.52 mi (9,684.26 km) |
| Barstow to Martorell | 5,898.28 mi (9,492.37 km) |
| Barstow to Martos | 5,840.64 mi (9,399.61 km) |
| Barstow to Masamagrell | 5,902.10 mi (9,498.52 km) |
