| Willow Grove to Manerbio | 4,130.59 mi (6,647.54 km) |
| Willow Grove to Manfredonia | 4,511.06 mi (7,259.85 km) |
| Willow Grove to Maniago | 4,213.37 mi (6,780.76 km) |
| Willow Grove to Mantova | 4,165.64 mi (6,703.95 km) |
| Willow Grove to Maranello | 4,189.62 mi (6,742.54 km) |
| Willow Grove to Marano di Napoli | 4,462.29 mi (7,181.36 km) |
| Willow Grove to Marano Vicentino | 4,174.96 mi (6,718.95 km) |
| Willow Grove to Marcianise | 4,462.53 mi (7,181.75 km) |
| Willow Grove to Marcon | 4,216.46 mi (6,785.73 km) |
| Willow Grove to Mareno di Piave | 4,209.03 mi (6,773.77 km) |
| Willow Grove to Margherita di Savoia | 4,531.19 mi (7,292.25 km) |
| Willow Grove to Mariano Comense | 4,079.18 mi (6,564.80 km) |
| Willow Grove to Marigliano | 4,472.84 mi (7,198.33 km) |
| Willow Grove to Marino | 4,363.89 mi (7,022.99 km) |
| Willow Grove to Marostica | 4,182.84 mi (6,731.63 km) |
