| Walnut Creek to Merriam (Kansas) | 1,475.97 mi (2,375.34 km) |
| Walnut Creek to Merrick (New York) | 2,567.30 mi (4,131.67 km) |
| Walnut Creek to Merrifield (Virginia) | 2,402.27 mi (3,866.08 km) |
| Walnut Creek to Merrillville (Indiana) | 1,849.92 mi (2,977.16 km) |
| Walnut Creek to Merritt Island (Florida) | 2,462.51 mi (3,963.03 km) |
| Walnut Creek to Mesa (Arizona) | 657.12 mi (1,057.53 km) |
| Walnut Creek to Mesquite (Nevada) | 440.72 mi (709.27 km) |
| Walnut Creek to Mesquite (Texas) | 1,473.03 mi (2,370.62 km) |
| Walnut Creek to Metairie (Louisiana) | 1,895.60 mi (3,050.67 km) |
| Walnut Creek to Methuen Town (Massachusetts) | 2,658.99 mi (4,279.24 km) |
| Walnut Creek to Metuchen (New Jersey) | 2,527.30 mi (4,067.29 km) |
| Walnut Creek to Mexico (Missouri) | 1,625.39 mi (2,615.81 km) |
| Walnut Creek to Miami (Florida) | 2,569.61 mi (4,135.39 km) |
| Walnut Creek to Miami (Oklahoma) | 1,487.74 mi (2,394.28 km) |
| Walnut Creek to Miami Beach (Florida) | 2,572.31 mi (4,139.73 km) |
