| Opfikon to Monticello (Minnesota) | 4,495.57 mi (7,234.92 km) |
| Opfikon to Montrose (Colorado) | 5,330.30 mi (8,578.28 km) |
| Opfikon to Moody (Alabama) | 4,769.72 mi (7,676.13 km) |
| Opfikon to Moore (Oklahoma) | 5,122.18 mi (8,243.35 km) |
| Opfikon to Moorestown-Lenola (New Jersey) | 4,000.11 mi (6,437.56 km) |
| Opfikon to Mooresville (North Carolina) | 4,439.47 mi (7,144.64 km) |
| Opfikon to Moorhead (Minnesota) | 4,522.82 mi (7,278.78 km) |
| Opfikon to Moorpark (California) | 5,920.89 mi (9,528.75 km) |
| Opfikon to Moraga (California) | 5,807.60 mi (9,346.43 km) |
| Opfikon to Moreno Valley (California) | 5,889.73 mi (9,478.61 km) |
| Opfikon to Morgan City (Louisiana) | 5,155.18 mi (8,296.47 km) |
| Opfikon to Morgan Hill (California) | 5,836.03 mi (9,392.18 km) |
| Opfikon to Morganton (North Carolina) | 4,469.10 mi (7,192.32 km) |
| Opfikon to Morgantown (West Virginia) | 4,221.28 mi (6,793.50 km) |
| Opfikon to Morris (Illinois) | 4,480.78 mi (7,211.12 km) |
