| Galveston to Manerbio | 5,466.53 mi (8,797.53 km) |
| Galveston to Manfredonia | 5,849.92 mi (9,414.53 km) |
| Galveston to Maniago | 5,543.49 mi (8,921.38 km) |
| Galveston to Mantova | 5,501.43 mi (8,853.69 km) |
| Galveston to Maranello | 5,527.03 mi (8,894.90 km) |
| Galveston to Marano di Napoli | 5,804.41 mi (9,341.30 km) |
| Galveston to Marano Vicentino | 5,508.34 mi (8,864.82 km) |
| Galveston to Marcianise | 5,804.31 mi (9,341.13 km) |
| Galveston to Marcon | 5,549.17 mi (8,930.53 km) |
| Galveston to Mareno di Piave | 5,540.75 mi (8,916.97 km) |
| Galveston to Margherita di Savoia | 5,870.38 mi (9,447.47 km) |
| Galveston to Mariano Comense | 5,415.23 mi (8,714.97 km) |
| Galveston to Marigliano | 5,814.66 mi (9,357.79 km) |
| Galveston to Marino | 5,705.75 mi (9,182.52 km) |
| Galveston to Marostica | 5,515.79 mi (8,876.81 km) |
