| San Mateo to Merriam (Kansas) | 1,495.55 mi (2,406.85 km) |
| San Mateo to Merrick (New York) | 2,589.58 mi (4,167.53 km) |
| San Mateo to Merrifield (Virginia) | 2,423.29 mi (3,899.90 km) |
| San Mateo to Merrillville (Indiana) | 1,871.87 mi (3,012.48 km) |
| San Mateo to Merritt Island (Florida) | 2,476.20 mi (3,985.06 km) |
| San Mateo to Mesa (Arizona) | 660.94 mi (1,063.69 km) |
| San Mateo to Mesquite (Nevada) | 453.09 mi (729.17 km) |
| San Mateo to Mesquite (Texas) | 1,485.44 mi (2,390.59 km) |
| San Mateo to Metairie (Louisiana) | 1,907.54 mi (3,069.90 km) |
| San Mateo to Methuen Town (Massachusetts) | 2,682.42 mi (4,316.93 km) |
| San Mateo to Metuchen (New Jersey) | 2,549.47 mi (4,102.97 km) |
| San Mateo to Mexico (Missouri) | 1,645.30 mi (2,647.86 km) |
| San Mateo to Miami (Florida) | 2,581.78 mi (4,154.97 km) |
| San Mateo to Miami (Oklahoma) | 1,505.14 mi (2,422.28 km) |
| San Mateo to Miami Beach (Florida) | 2,584.52 mi (4,159.38 km) |
