| South San Francisco to Madison (Mississippi) | 1,851.33 mi (2,979.43 km) |
| South San Francisco to Madison (New Jersey) | 2,546.88 mi (4,098.80 km) |
| South San Francisco to Madison (Wisconsin) | 1,766.52 mi (2,842.93 km) |
| South San Francisco to Madison Heights (Michigan) | 2,086.32 mi (3,357.61 km) |
| South San Francisco to Madison Heights (Virginia) | 2,350.98 mi (3,783.53 km) |
| South San Francisco to Madisonville (Kentucky) | 1,902.91 mi (3,062.44 km) |
| South San Francisco to Magalia (California) | 156.12 mi (251.25 km) |
| South San Francisco to Magna (Utah) | 589.34 mi (948.45 km) |
| South San Francisco to Magnolia (Arkansas) | 1,663.45 mi (2,677.07 km) |
| South San Francisco to Maili (Hawaii) | 2,404.02 mi (3,868.90 km) |
| South San Francisco to Maitland (Florida) | 2,434.56 mi (3,918.04 km) |
| South San Francisco to Makakilo (Hawaii) | 2,401.59 mi (3,864.99 km) |
| South San Francisco to Malden (Massachusetts) | 2,695.31 mi (4,337.69 km) |
| South San Francisco to Malibu (California) | 322.29 mi (518.68 km) |
| South San Francisco to Maltby (Washington) | 701.40 mi (1,128.80 km) |
