| Marshalltown to Manerbio | 4,765.86 mi (7,669.91 km) |
| Marshalltown to Manfredonia | 5,153.68 mi (8,294.04 km) |
| Marshalltown to Maniago | 4,826.21 mi (7,767.04 km) |
| Marshalltown to Mantova | 4,799.80 mi (7,724.54 km) |
| Marshalltown to Maranello | 4,830.16 mi (7,773.38 km) |
| Marshalltown to Marano di Napoli | 5,122.05 mi (8,243.15 km) |
| Marshalltown to Marano Vicentino | 4,799.78 mi (7,724.50 km) |
| Marshalltown to Marcianise | 5,120.33 mi (8,240.37 km) |
| Marshalltown to Marcon | 4,838.29 mi (7,786.48 km) |
| Marshalltown to Mareno di Piave | 4,827.43 mi (7,768.99 km) |
| Marshalltown to Margherita di Savoia | 5,175.09 mi (8,328.51 km) |
| Marshalltown to Mariano Comense | 4,715.61 mi (7,589.04 km) |
| Marshalltown to Marigliano | 5,130.77 mi (8,257.17 km) |
| Marshalltown to Marino | 5,023.51 mi (8,084.55 km) |
| Marshalltown to Marostica | 4,805.98 mi (7,734.48 km) |
