| San Juan to Mendota (California) | 3,508.43 mi (5,646.28 km) |
| San Juan to Mendota Heights (Minnesota) | 2,402.96 mi (3,867.19 km) |
| San Juan to Menifee (California) | 3,308.60 mi (5,324.67 km) |
| San Juan to Menlo Park (California) | 3,611.31 mi (5,811.84 km) |
| San Juan to Menomonee Falls (Wisconsin) | 2,139.70 mi (3,443.52 km) |
| San Juan to Menomonie (Wisconsin) | 2,358.26 mi (3,795.25 km) |
| San Juan to Mentor (Ohio) | 1,843.87 mi (2,967.41 km) |
| San Juan to Mequon (Wisconsin) | 2,139.19 mi (3,442.70 km) |
| San Juan to Merced (California) | 3,517.90 mi (5,661.52 km) |
| San Juan to Mercedes (Texas) | 2,099.79 mi (3,379.28 km) |
| San Juan to Mercer Island (Washington) | 3,723.20 mi (5,991.91 km) |
| San Juan to Mercerville (New Jersey) | 1,593.85 mi (2,565.05 km) |
| San Juan to Meriden (Connecticut) | 1,647.37 mi (2,651.18 km) |
| San Juan to Meridian (Idaho) | 3,384.75 mi (5,447.22 km) |
| San Juan to Meridian (Mississippi) | 1,705.09 mi (2,744.07 km) |
