| Oro Valley to Mendota (California) | 612.46 mi (985.65 km) |
| Oro Valley to Mendota Heights (Minnesota) | 1,286.05 mi (2,069.70 km) |
| Oro Valley to Menifee (California) | 370.00 mi (595.46 km) |
| Oro Valley to Menlo Park (California) | 722.68 mi (1,163.04 km) |
| Oro Valley to Menomonee Falls (Wisconsin) | 1,444.37 mi (2,324.49 km) |
| Oro Valley to Menomonie (Wisconsin) | 1,335.91 mi (2,149.93 km) |
| Oro Valley to Mentor (Ohio) | 1,744.58 mi (2,807.63 km) |
| Oro Valley to Mequon (Wisconsin) | 1,453.16 mi (2,338.63 km) |
| Oro Valley to Merced (California) | 635.14 mi (1,022.16 km) |
| Oro Valley to Mercedes (Texas) | 897.47 mi (1,444.33 km) |
| Oro Valley to Mercer Island (Washington) | 1,201.27 mi (1,933.27 km) |
| Oro Valley to Mercerville (New Jersey) | 2,074.97 mi (3,339.34 km) |
| Oro Valley to Meriden (Connecticut) | 2,179.90 mi (3,508.21 km) |
| Oro Valley to Meridian (Idaho) | 827.11 mi (1,331.11 km) |
| Oro Valley to Meridian (Mississippi) | 1,297.76 mi (2,088.54 km) |
