| San Juan to Mankato (Minnesota) | 2,403.23 mi (3,867.62 km) |
| San Juan to Manor (Texas) | 2,136.03 mi (3,437.60 km) |
| San Juan to Manorville (New York) | 1,602.24 mi (2,578.55 km) |
| San Juan to Mansfield (Ohio) | 1,827.83 mi (2,941.60 km) |
| San Juan to Mansfield (Texas) | 2,159.11 mi (3,474.75 km) |
| San Juan to Manteca (California) | 3,562.26 mi (5,732.91 km) |
| San Juan to Manville (New Jersey) | 1,611.64 mi (2,593.69 km) |
| San Juan to Maple Grove (Minnesota) | 2,425.15 mi (3,902.91 km) |
| San Juan to Maple Heights (Ohio) | 1,834.45 mi (2,952.25 km) |
| San Juan to Maple Valley (Washington) | 3,711.27 mi (5,972.72 km) |
| San Juan to Mapleton (Utah) | 3,082.52 mi (4,960.84 km) |
| San Juan to Maplewood (Minnesota) | 2,403.34 mi (3,867.81 km) |
| San Juan to Marana (Arizona) | 2,951.91 mi (4,750.63 km) |
| San Juan to Marco Island (Florida) | 1,126.61 mi (1,813.10 km) |
| San Juan to Margate (Florida) | 1,053.35 mi (1,695.21 km) |
