| Duffel to Marshall (Minnesota) | 4,304.80 mi (6,927.91 km) |
| Duffel to Marshall (Missouri) | 4,478.28 mi (7,207.09 km) |
| Duffel to Marshall (Texas) | 4,857.83 mi (7,817.92 km) |
| Duffel to Marshalltown (Iowa) | 4,322.43 mi (6,956.28 km) |
| Duffel to Marshfield (Wisconsin) | 4,097.26 mi (6,593.91 km) |
| Duffel to Martha Lake (Washington) | 4,908.77 mi (7,899.90 km) |
| Duffel to Martin (Tennessee) | 4,452.47 mi (7,165.56 km) |
| Duffel to Martinez (California) | 5,486.42 mi (8,829.55 km) |
| Duffel to Martinez (Georgia) | 4,323.07 mi (6,957.30 km) |
| Duffel to Martinsburg (West Virginia) | 3,875.31 mi (6,236.71 km) |
| Duffel to Martinsville (Indiana) | 4,208.84 mi (6,773.47 km) |
| Duffel to Martinsville (New Jersey) | 3,687.17 mi (5,933.93 km) |
| Duffel to Martinsville (Virginia) | 4,080.27 mi (6,566.56 km) |
| Duffel to Maryland City (Maryland) | 3,844.48 mi (6,187.09 km) |
| Duffel to Maryland Heights (Missouri) | 4,396.43 mi (7,075.37 km) |
