| Barstow to Montijo | 5,677.52 mi (9,137.08 km) |
| Barstow to Montilla | 5,818.90 mi (9,364.62 km) |
| Barstow to Montmelo | 5,906.31 mi (9,505.29 km) |
| Barstow to Montornes del Valles | 5,907.44 mi (9,507.10 km) |
| Barstow to Montoro | 5,809.90 mi (9,350.13 km) |
| Barstow to Monzon | 5,812.35 mi (9,354.07 km) |
| Barstow to Mora | 5,759.83 mi (9,269.54 km) |
| Barstow to Moralzarzal | 5,707.60 mi (9,185.50 km) |
| Barstow to Moron de la Frontera | 5,805.06 mi (9,342.34 km) |
| Barstow to Mostoles | 5,727.04 mi (9,216.77 km) |
| Barstow to Motril | 5,903.06 mi (9,500.05 km) |
| Barstow to Muchamiel | 5,951.71 mi (9,578.35 km) |
| Barstow to Mula | 5,927.11 mi (9,538.77 km) |
| Barstow to Munguia | 5,630.76 mi (9,061.83 km) |
| Barstow to Murcia | 5,944.23 mi (9,566.32 km) |
