| San Mateo to Missouri City (Texas) | 1,630.68 mi (2,624.32 km) |
| San Mateo to Mitchell (South Dakota) | 1,336.78 mi (2,151.34 km) |
| San Mateo to Mitchellville (Maryland) | 2,444.83 mi (3,934.57 km) |
| San Mateo to Moberly (Missouri) | 1,613.55 mi (2,596.76 km) |
| San Mateo to Mobile (Alabama) | 2,001.13 mi (3,220.50 km) |
| San Mateo to Modesto (California) | 71.92 mi (115.74 km) |
| San Mateo to Mokena (Illinois) | 1,842.79 mi (2,965.68 km) |
| San Mateo to Moline (Illinois) | 1,707.77 mi (2,748.39 km) |
| San Mateo to Moncks Corner (South Carolina) | 2,382.56 mi (3,834.37 km) |
| San Mateo to Monfort Heights (Ohio) | 2,030.92 mi (3,268.46 km) |
| San Mateo to Monmouth (Oregon) | 506.50 mi (815.13 km) |
| San Mateo to Monroe (Georgia) | 2,166.52 mi (3,486.67 km) |
| San Mateo to Monroe (Louisiana) | 1,737.62 mi (2,796.42 km) |
| San Mateo to Monroe (Michigan) | 2,072.20 mi (3,334.88 km) |
| San Mateo to Monroe (North Carolina) | 2,313.16 mi (3,722.66 km) |
