| Barstow to Massarosa | 6,071.78 mi (9,771.59 km) |
| Barstow to Matelica | 6,189.95 mi (9,961.77 km) |
| Barstow to Matera | 6,444.29 mi (10,371.08 km) |
| Barstow to Matino | 6,527.13 mi (10,504.40 km) |
| Barstow to Mazzarino | 6,550.91 mi (10,542.68 km) |
| Barstow to Meda | 5,940.48 mi (9,560.28 km) |
| Barstow to Medesano | 6,019.12 mi (9,686.84 km) |
| Barstow to Medicina | 6,080.95 mi (9,786.34 km) |
| Barstow to Meldola | 6,112.71 mi (9,837.46 km) |
| Barstow to Melegnano | 5,961.45 mi (9,594.03 km) |
| Barstow to Melendugno | 6,520.10 mi (10,493.08 km) |
| Barstow to Melfi | 6,396.09 mi (10,293.52 km) |
| Barstow to Melilli | 6,588.28 mi (10,602.81 km) |
| Barstow to Melito di Napoli | 6,355.54 mi (10,228.25 km) |
| Barstow to Melito di Porto Salvo | 6,570.21 mi (10,573.73 km) |
