| South San Francisco to Malvern (Arkansas) | 1,662.70 mi (2,675.86 km) |
| South San Francisco to Manassas (Virginia) | 2,416.17 mi (3,888.45 km) |
| South San Francisco to Manassas Park (Virginia) | 2,417.97 mi (3,891.35 km) |
| South San Francisco to Manatí (Puerto Rico) | 3,602.13 mi (5,797.06 km) |
| South San Francisco to Manchester (Missouri) | 1,727.19 mi (2,779.64 km) |
| South San Francisco to Manchester (New Hampshire) | 2,669.12 mi (4,295.54 km) |
| South San Francisco to Manchester (Tennessee) | 2,010.05 mi (3,234.86 km) |
| South San Francisco to Manchester (Virginia) | 2,433.55 mi (3,916.42 km) |
| South San Francisco to Mandan (North Dakota) | 1,264.71 mi (2,035.36 km) |
| South San Francisco to Mandeville (Louisiana) | 1,908.17 mi (3,070.91 km) |
| South San Francisco to Mango (Florida) | 2,402.91 mi (3,867.10 km) |
| South San Francisco to Manhattan (Kansas) | 1,396.70 mi (2,247.77 km) |
| South San Francisco to Manhattan (New York) | 2,569.66 mi (4,135.47 km) |
| South San Francisco to Manhattan Beach (California) | 344.17 mi (553.89 km) |
| South San Francisco to Manitowoc (Wisconsin) | 1,853.85 mi (2,983.49 km) |
