| Dumbarton to Manerbio | 970.30 mi (1,561.54 km) |
| Dumbarton to Manfredonia | 1,349.18 mi (2,171.30 km) |
| Dumbarton to Maniago | 1,005.00 mi (1,617.39 km) |
| Dumbarton to Mantova | 1,000.89 mi (1,610.77 km) |
| Dumbarton to Maranello | 1,038.00 mi (1,670.50 km) |
| Dumbarton to Marano di Napoli | 1,340.21 mi (2,156.86 km) |
| Dumbarton to Marano Vicentino | 990.02 mi (1,593.28 km) |
| Dumbarton to Marcianise | 1,335.80 mi (2,149.76 km) |
| Dumbarton to Marcon | 1,024.18 mi (1,648.26 km) |
| Dumbarton to Mareno di Piave | 1,010.59 mi (1,626.39 km) |
| Dumbarton to Margherita di Savoia | 1,371.19 mi (2,206.71 km) |
| Dumbarton to Mariano Comense | 924.86 mi (1,488.42 km) |
| Dumbarton to Marigliano | 1,345.86 mi (2,165.95 km) |
| Dumbarton to Marino | 1,247.37 mi (2,007.45 km) |
| Dumbarton to Marostica | 994.27 mi (1,600.12 km) |
