| Clarksburg to Manerbio | 4,260.32 mi (6,856.32 km) |
| Clarksburg to Manfredonia | 4,641.11 mi (7,469.15 km) |
| Clarksburg to Maniago | 4,342.51 mi (6,988.60 km) |
| Clarksburg to Mantova | 4,295.36 mi (6,912.71 km) |
| Clarksburg to Maranello | 4,319.51 mi (6,951.57 km) |
| Clarksburg to Marano di Napoli | 4,592.65 mi (7,391.16 km) |
| Clarksburg to Marano Vicentino | 4,304.44 mi (6,927.32 km) |
| Clarksburg to Marcianise | 4,592.86 mi (7,391.50 km) |
| Clarksburg to Marcon | 4,345.87 mi (6,994.00 km) |
| Clarksburg to Mareno di Piave | 4,338.34 mi (6,981.88 km) |
| Clarksburg to Margherita di Savoia | 4,661.28 mi (7,501.60 km) |
| Clarksburg to Mariano Comense | 4,208.91 mi (6,773.59 km) |
| Clarksburg to Marigliano | 4,603.17 mi (7,408.09 km) |
| Clarksburg to Marino | 4,494.22 mi (7,232.75 km) |
| Clarksburg to Marostica | 4,312.27 mi (6,939.93 km) |
