| Duffel to Morristown (New Jersey) | 3,674.67 mi (5,913.81 km) |
| Duffel to Morristown (Tennessee) | 4,241.01 mi (6,825.24 km) |
| Duffel to Morrisville (North Carolina) | 4,078.60 mi (6,563.87 km) |
| Duffel to Morro Bay (California) | 5,605.95 mi (9,021.90 km) |
| Duffel to Morton (Illinois) | 4,265.78 mi (6,865.10 km) |
| Duffel to Morton Grove (Illinois) | 4,134.57 mi (6,653.94 km) |
| Duffel to Moscow (Idaho) | 4,837.97 mi (7,785.97 km) |
| Duffel to Moses Lake (Washington) | 4,875.61 mi (7,846.54 km) |
| Duffel to Moss Bluff (Louisiana) | 4,929.56 mi (7,933.37 km) |
| Duffel to Moss Point (Mississippi) | 4,737.87 mi (7,624.87 km) |
| Duffel to Moultrie (Georgia) | 4,508.01 mi (7,254.94 km) |
| Duffel to Mounds View (Minnesota) | 4,183.17 mi (6,732.16 km) |
| Duffel to Mount Airy (North Carolina) | 4,118.86 mi (6,628.66 km) |
| Duffel to Mount Clemens (Michigan) | 3,923.71 mi (6,314.60 km) |
| Duffel to Mount Dora (Florida) | 4,537.22 mi (7,301.94 km) |
