| Diamond Bar to Merrick (New York) | 2,448.63 mi (3,940.68 km) |
| Diamond Bar to Merrifield (Virginia) | 2,261.62 mi (3,639.72 km) |
| Diamond Bar to Merrillville (Indiana) | 1,734.22 mi (2,790.96 km) |
| Diamond Bar to Merritt Island (Florida) | 2,218.82 mi (3,570.85 km) |
| Diamond Bar to Mesa (Arizona) | 352.91 mi (567.96 km) |
| Diamond Bar to Mesquite (Nevada) | 283.79 mi (456.71 km) |
| Diamond Bar to Mesquite (Texas) | 1,225.66 mi (1,972.51 km) |
| Diamond Bar to Metairie (Louisiana) | 1,637.77 mi (2,635.74 km) |
| Diamond Bar to Methuen Town (Massachusetts) | 2,562.96 mi (4,124.68 km) |
| Diamond Bar to Metuchen (New Jersey) | 2,406.72 mi (3,873.23 km) |
| Diamond Bar to Mexico (Missouri) | 1,477.50 mi (2,377.80 km) |
| Diamond Bar to Miami (Florida) | 2,309.26 mi (3,716.39 km) |
| Diamond Bar to Miami (Oklahoma) | 1,303.65 mi (2,098.03 km) |
| Diamond Bar to Miami Beach (Florida) | 2,312.38 mi (3,721.42 km) |
| Diamond Bar to Miami Gardens (Florida) | 2,303.07 mi (3,706.43 km) |
