| South San Francisco to Massarosa | 6,076.40 mi (9,779.02 km) |
| South San Francisco to Matelica | 6,187.28 mi (9,957.46 km) |
| South San Francisco to Matera | 6,437.30 mi (10,359.84 km) |
| South San Francisco to Matino | 6,516.24 mi (10,486.88 km) |
| South San Francisco to Mazzarino | 6,565.41 mi (10,566.01 km) |
| South San Francisco to Meda | 5,942.15 mi (9,562.96 km) |
| South San Francisco to Medesano | 6,021.05 mi (9,689.94 km) |
| South San Francisco to Medicina | 6,078.64 mi (9,782.63 km) |
| South San Francisco to Meldola | 6,110.25 mi (9,833.49 km) |
| South San Francisco to Melegnano | 5,963.79 mi (9,597.79 km) |
| South San Francisco to Melendugno | 6,507.63 mi (10,473.01 km) |
| South San Francisco to Melfi | 6,391.64 mi (10,286.35 km) |
| South San Francisco to Melilli | 6,599.49 mi (10,620.86 km) |
| South San Francisco to Melito di Napoli | 6,356.82 mi (10,230.31 km) |
| South San Francisco to Melito di Porto Salvo | 6,576.11 mi (10,583.22 km) |
