| South San Francisco to Marsala | 6,483.16 mi (10,433.64 km) |
| South San Francisco to Marsciano | 6,187.68 mi (9,958.10 km) |
| South San Francisco to Martano | 6,510.73 mi (10,478.00 km) |
| South San Francisco to Martellago | 6,032.64 mi (9,708.59 km) |
| South San Francisco to Martina Franca | 6,455.17 mi (10,388.58 km) |
| South San Francisco to Martinengo | 5,964.67 mi (9,599.20 km) |
| South San Francisco to Martinsicuro | 6,234.03 mi (10,032.71 km) |
| South San Francisco to Mascali | 6,568.90 mi (10,571.62 km) |
| South San Francisco to Mascalucia | 6,575.18 mi (10,581.73 km) |
| South San Francisco to Masera di Padova | 6,037.76 mi (9,716.83 km) |
| South San Francisco to Maserada sul Piave | 6,025.37 mi (9,696.90 km) |
| South San Francisco to Massa | 6,061.25 mi (9,754.64 km) |
| South San Francisco to Massa Lombarda | 6,085.68 mi (9,793.95 km) |
| South San Francisco to Massafra | 6,456.25 mi (10,390.33 km) |
| South San Francisco to Massalubrense | 6,377.54 mi (10,263.66 km) |
