| San Mateo to Morris (Illinois) | 1,814.77 mi (2,920.60 km) |
| San Mateo to Morristown (New Jersey) | 2,540.19 mi (4,088.04 km) |
| San Mateo to Morristown (Tennessee) | 2,142.61 mi (3,448.19 km) |
| San Mateo to Morrisville (North Carolina) | 2,390.03 mi (3,846.38 km) |
| San Mateo to Morro Bay (California) | 171.42 mi (275.88 km) |
| San Mateo to Morton (Illinois) | 1,763.91 mi (2,838.74 km) |
| San Mateo to Morton Grove (Illinois) | 1,845.89 mi (2,970.67 km) |
| San Mateo to Moscow (Idaho) | 689.72 mi (1,110.00 km) |
| San Mateo to Moses Lake (Washington) | 679.40 mi (1,093.39 km) |
| San Mateo to Moss Bluff (Louisiana) | 1,734.24 mi (2,790.99 km) |
| San Mateo to Moss Point (Mississippi) | 1,985.51 mi (3,195.37 km) |
| San Mateo to Moultrie (Georgia) | 2,226.29 mi (3,582.87 km) |
| San Mateo to Mounds View (Minnesota) | 1,587.49 mi (2,554.82 km) |
| San Mateo to Mount Airy (North Carolina) | 2,281.97 mi (3,672.48 km) |
| San Mateo to Mount Clemens (Michigan) | 2,094.29 mi (3,370.43 km) |
