| Willoughby to Mechernich | 4,009.04 mi (6,451.92 km) |
| Willoughby to Meckenbeuren | 4,222.96 mi (6,796.20 km) |
| Willoughby to Meckenheim | 4,022.08 mi (6,472.92 km) |
| Willoughby to Meerane | 4,220.65 mi (6,792.48 km) |
| Willoughby to Meerbusch | 3,987.96 mi (6,418.01 km) |
| Willoughby to Meine | 4,095.48 mi (6,591.04 km) |
| Willoughby to Meinerzhagen | 4,029.73 mi (6,485.23 km) |
| Willoughby to Meiningen | 4,154.69 mi (6,686.32 km) |
| Willoughby to Meissen | 4,246.84 mi (6,834.63 km) |
| Willoughby to Meitingen | 4,242.74 mi (6,828.03 km) |
| Willoughby to Melle | 4,020.42 mi (6,470.25 km) |
| Willoughby to Melsungen | 4,101.75 mi (6,601.13 km) |
| Willoughby to Memmelsdorf | 4,196.91 mi (6,754.27 km) |
| Willoughby to Memmingen | 4,237.01 mi (6,818.81 km) |
| Willoughby to Mendig | 4,040.85 mi (6,503.11 km) |
