| San Mateo to Mount Washington (Kentucky) | 1,993.82 mi (3,208.75 km) |
| San Mateo to Mountain Brook (Alabama) | 2,008.00 mi (3,231.56 km) |
| San Mateo to Mountain Home (Arkansas) | 1,647.83 mi (2,651.93 km) |
| San Mateo to Mountain Home (Idaho) | 519.28 mi (835.70 km) |
| San Mateo to Mountain House (California) | 44.52 mi (71.64 km) |
| San Mateo to Mountain Park (Georgia) | 2,142.85 mi (3,448.58 km) |
| San Mateo to Mountain Top (Pennsylvania) | 2,462.73 mi (3,963.37 km) |
| San Mateo to Mountain View (California) | 16.52 mi (26.59 km) |
| San Mateo to Mountlake Terrace (Washington) | 707.51 mi (1,138.62 km) |
| San Mateo to Mukilteo (Washington) | 715.63 mi (1,151.69 km) |
| San Mateo to Muncie (Indiana) | 1,979.86 mi (3,186.27 km) |
| San Mateo to Mundelein (Illinois) | 1,834.11 mi (2,951.72 km) |
| San Mateo to Munhall (Pennsylvania) | 2,264.80 mi (3,644.84 km) |
| San Mateo to Munster (Indiana) | 1,862.06 mi (2,996.69 km) |
| San Mateo to Murfreesboro (Tennessee) | 1,980.15 mi (3,186.75 km) |
