| Willow Grove to Melzo | 4,095.58 mi (6,591.20 km) |
| Willow Grove to Mendicino | 4,613.04 mi (7,423.97 km) |
| Willow Grove to Menfi | 4,529.99 mi (7,290.32 km) |
| Willow Grove to Mentana | 4,354.24 mi (7,007.47 km) |
| Willow Grove to Merano | 4,131.61 mi (6,649.18 km) |
| Willow Grove to Merate | 4,089.87 mi (6,582.01 km) |
| Willow Grove to Mercato San Severino | 4,492.36 mi (7,229.76 km) |
| Willow Grove to Mercogliano | 4,486.12 mi (7,219.72 km) |
| Willow Grove to Mesagne | 4,633.48 mi (7,456.86 km) |
| Willow Grove to Messina | 4,625.43 mi (7,443.91 km) |
| Willow Grove to Mestre | 4,216.01 mi (6,785.02 km) |
| Willow Grove to Mestrino | 4,197.42 mi (6,755.09 km) |
| Willow Grove to Milan | 4,086.92 mi (6,577.26 km) |
| Willow Grove to Milazzo | 4,610.21 mi (7,419.42 km) |
| Willow Grove to Minerbio | 4,212.81 mi (6,779.86 km) |
