| Willoughby to Manerbio | 4,331.65 mi (6,971.11 km) |
| Willoughby to Manfredonia | 4,716.83 mi (7,591.00 km) |
| Willoughby to Maniago | 4,405.39 mi (7,089.79 km) |
| Willoughby to Mantova | 4,366.39 mi (7,027.02 km) |
| Willoughby to Maranello | 4,393.16 mi (7,070.11 km) |
| Willoughby to Marano di Napoli | 4,675.05 mi (7,523.77 km) |
| Willoughby to Marano Vicentino | 4,371.82 mi (7,035.77 km) |
| Willoughby to Marcianise | 4,674.47 mi (7,522.83 km) |
| Willoughby to Marcon | 4,412.26 mi (7,100.84 km) |
| Willoughby to Mareno di Piave | 4,403.35 mi (7,086.51 km) |
| Willoughby to Margherita di Savoia | 4,737.57 mi (7,624.39 km) |
| Willoughby to Mariano Comense | 4,280.49 mi (6,888.78 km) |
| Willoughby to Marigliano | 4,684.87 mi (7,539.57 km) |
| Willoughby to Marino | 4,576.20 mi (7,364.68 km) |
| Willoughby to Marostica | 4,379.03 mi (7,047.37 km) |
