| South San Francisco to Mombris | 5,697.87 mi (9,169.84 km) |
| South San Francisco to Monchengladbach | 5,562.69 mi (8,952.28 km) |
| South San Francisco to Monschau | 5,592.37 mi (9,000.04 km) |
| South San Francisco to Montabaur | 5,641.67 mi (9,079.39 km) |
| South San Francisco to Moosburg | 5,860.38 mi (9,431.38 km) |
| South San Francisco to Morbach | 5,656.25 mi (9,102.86 km) |
| South San Francisco to Morfelden-Walldorf | 5,686.02 mi (9,150.76 km) |
| South San Francisco to Morlenbach | 5,712.27 mi (9,193.00 km) |
| South San Francisco to Morsbach | 5,615.28 mi (9,036.93 km) |
| South San Francisco to Mosbach | 5,736.94 mi (9,232.71 km) |
| South San Francisco to Mosigkau | 5,676.55 mi (9,135.52 km) |
| South San Francisco to Mossingen | 5,786.96 mi (9,313.21 km) |
| South San Francisco to Much | 5,604.08 mi (9,018.90 km) |
| South San Francisco to Mucheln | 5,696.20 mi (9,167.14 km) |
| South San Francisco to Muhlacker | 5,750.91 mi (9,255.19 km) |
