| San Mateo to Medford (Massachusetts) | 2,690.28 mi (4,329.58 km) |
| San Mateo to Medford (New York) | 2,616.33 mi (4,210.57 km) |
| San Mateo to Medford (Oregon) | 331.85 mi (534.07 km) |
| San Mateo to Medina (Ohio) | 2,155.65 mi (3,469.19 km) |
| San Mateo to Medulla (Florida) | 2,415.10 mi (3,886.73 km) |
| San Mateo to Mehlville (Missouri) | 1,733.93 mi (2,790.49 km) |
| San Mateo to Melbourne (Florida) | 2,482.86 mi (3,995.78 km) |
| San Mateo to Melissa (Texas) | 1,474.85 mi (2,373.54 km) |
| San Mateo to Melrose (Massachusetts) | 2,692.36 mi (4,332.94 km) |
| San Mateo to Melrose Park (Illinois) | 1,842.40 mi (2,965.06 km) |
| San Mateo to Melville (New York) | 2,595.20 mi (4,176.58 km) |
| San Mateo to Melvindale (Michigan) | 2,080.78 mi (3,348.69 km) |
| San Mateo to Memphis (Florida) | 2,396.59 mi (3,856.94 km) |
| San Mateo to Memphis (Tennessee) | 1,799.47 mi (2,895.97 km) |
| San Mateo to Menasha (Wisconsin) | 1,814.89 mi (2,920.78 km) |
