| San Diego to Montevarchi | 6,247.88 mi (10,054.99 km) |
| San Diego to Monticello Conte Otto | 6,140.26 mi (9,881.80 km) |
| San Diego to Montichiari | 6,111.64 mi (9,835.73 km) |
| San Diego to Montignoso | 6,176.25 mi (9,939.71 km) |
| San Diego to Montopoli in Val d'Arno | 6,213.64 mi (9,999.89 km) |
| San Diego to Monza | 6,066.69 mi (9,763.39 km) |
| San Diego to Morbegno | 6,048.22 mi (9,733.66 km) |
| San Diego to Mori | 6,108.21 mi (9,830.21 km) |
| San Diego to Morlupo | 6,351.33 mi (10,221.47 km) |
| San Diego to Morrovalle | 6,324.37 mi (10,178.09 km) |
| San Diego to Mortara | 6,066.36 mi (9,762.86 km) |
| San Diego to Mosciano Sant'Angelo | 6,364.23 mi (10,242.23 km) |
| San Diego to Motta di Livenza | 6,163.06 mi (9,918.49 km) |
| San Diego to Motta Sant'Anastasia | 6,681.76 mi (10,753.26 km) |
| San Diego to Mottola | 6,579.71 mi (10,589.02 km) |
