| Dubuque to Marly-le-Roi | 4,213.18 mi (6,780.46 km) |
| Dubuque to Marmande | 4,301.46 mi (6,922.54 km) |
| Dubuque to Maromme | 4,150.32 mi (6,679.29 km) |
| Dubuque to Marquette-les-Lille | 4,182.64 mi (6,731.31 km) |
| Dubuque to Marseille | 4,561.20 mi (7,340.54 km) |
| Dubuque to Martigues | 4,543.70 mi (7,312.38 km) |
| Dubuque to Massy | 4,225.04 mi (6,799.54 km) |
| Dubuque to Maubeuge | 4,231.08 mi (6,809.26 km) |
| Dubuque to Mauguio | 4,493.02 mi (7,230.81 km) |
| Dubuque to Mauleon | 4,173.65 mi (6,716.84 km) |
| Dubuque to Maurepas | 4,211.36 mi (6,777.53 km) |
| Dubuque to Maxeville | 4,373.05 mi (7,037.75 km) |
| Dubuque to Mayenne | 4,128.90 mi (6,644.82 km) |
| Dubuque to Mazamet | 4,431.38 mi (7,131.61 km) |
| Dubuque to Meaux | 4,239.98 mi (6,823.59 km) |
