| South San Francisco to Mancha Real | 5,929.92 mi (9,543.29 km) |
| South San Francisco to Manilva | 5,935.81 mi (9,552.76 km) |
| South San Francisco to Manises | 5,961.29 mi (9,593.77 km) |
| South San Francisco to Manlleu | 5,925.99 mi (9,536.96 km) |
| South San Francisco to Manresa | 5,924.98 mi (9,535.34 km) |
| South San Francisco to Manzanares | 5,878.84 mi (9,461.07 km) |
| South San Francisco to Manzanares el Real | 5,775.06 mi (9,294.07 km) |
| South San Francisco to Maracena | 5,958.24 mi (9,588.87 km) |
| South San Francisco to Marbella | 5,943.64 mi (9,565.36 km) |
| South San Francisco to Marchena | 5,882.87 mi (9,467.57 km) |
| South San Francisco to Marin | 5,515.33 mi (8,876.07 km) |
| South San Francisco to Marratxi | 6,065.73 mi (9,761.84 km) |
| South San Francisco to Martorell | 5,941.56 mi (9,562.02 km) |
| South San Francisco to Martos | 5,919.89 mi (9,527.15 km) |
| South San Francisco to Masamagrell | 5,961.14 mi (9,593.53 km) |
