| San Juan to Merriam (Kansas) | 2,227.85 mi (3,585.38 km) |
| San Juan to Merrick (New York) | 1,600.56 mi (2,575.86 km) |
| San Juan to Merrifield (Virginia) | 1,565.69 mi (2,519.73 km) |
| San Juan to Merrillville (Indiana) | 2,028.08 mi (3,263.88 km) |
| San Juan to Merritt Island (Florida) | 1,150.69 mi (1,851.85 km) |
| San Juan to Mesa (Arizona) | 2,993.68 mi (4,817.87 km) |
| San Juan to Mesquite (Nevada) | 3,166.73 mi (5,096.37 km) |
| San Juan to Mesquite (Texas) | 2,134.29 mi (3,434.81 km) |
| San Juan to Metairie (Louisiana) | 1,712.85 mi (2,756.57 km) |
| San Juan to Methuen Town (Massachusetts) | 1,708.02 mi (2,748.79 km) |
| San Juan to Metuchen (New Jersey) | 1,607.49 mi (2,587.01 km) |
| San Juan to Mexico (Missouri) | 2,107.15 mi (3,391.14 km) |
| San Juan to Miami (Florida) | 1,038.58 mi (1,671.43 km) |
| San Juan to Miami (Oklahoma) | 2,162.73 mi (3,480.58 km) |
| San Juan to Miami Beach (Florida) | 1,035.69 mi (1,666.78 km) |
