| South San Francisco to Lyndon (Kentucky) | 1,993.43 mi (3,208.12 km) |
| South San Francisco to Lynn (Massachusetts) | 2,699.27 mi (4,344.05 km) |
| South San Francisco to Lynn Haven (Florida) | 2,155.09 mi (3,468.28 km) |
| South San Francisco to Lynnwood (Washington) | 703.02 mi (1,131.40 km) |
| South San Francisco to Lynwood (California) | 349.63 mi (562.67 km) |
| South San Francisco to Lyons (Illinois) | 1,848.08 mi (2,974.19 km) |
| South San Francisco to Mableton (Georgia) | 2,125.16 mi (3,420.11 km) |
| South San Francisco to Macedonia (Ohio) | 2,176.47 mi (3,502.69 km) |
| South San Francisco to Machesney Park (Illinois) | 1,785.04 mi (2,872.74 km) |
| South San Francisco to Mack (Ohio) | 2,031.36 mi (3,269.16 km) |
| South San Francisco to Macomb (Illinois) | 1,704.58 mi (2,743.25 km) |
| South San Francisco to Macon (Georgia) | 2,195.22 mi (3,532.87 km) |
| South San Francisco to Madera (California) | 137.26 mi (220.89 km) |
| South San Francisco to Madison (Alabama) | 1,986.92 mi (3,197.64 km) |
| South San Francisco to Madison (Indiana) | 1,997.72 mi (3,215.02 km) |
