| South San Francisco to Mirfield | 5,207.51 mi (8,380.67 km) |
| South San Francisco to Mitcham | 5,365.71 mi (8,635.27 km) |
| South San Francisco to Mold | 5,190.43 mi (8,353.19 km) |
| South San Francisco to Molesey | 5,359.45 mi (8,625.21 km) |
| South San Francisco to Monkseaton | 5,147.17 mi (8,283.56 km) |
| South San Francisco to Monmouth | 5,268.65 mi (8,479.08 km) |
| South San Francisco to Montrose | 5,038.50 mi (8,108.68 km) |
| South San Francisco to Morden | 5,364.40 mi (8,633.17 km) |
| South San Francisco to Morecambe | 5,154.28 mi (8,295.02 km) |
| South San Francisco to Moreton | 5,179.72 mi (8,335.96 km) |
| South San Francisco to Morley | 5,206.63 mi (8,379.26 km) |
| South San Francisco to Morpeth | 5,134.60 mi (8,263.35 km) |
| South San Francisco to Morriston | 5,238.51 mi (8,430.57 km) |
| South San Francisco to Mosbrough | 5,234.44 mi (8,424.02 km) |
| South San Francisco to Mossley | 5,205.54 mi (8,377.50 km) |
