| Willoughby to Medford (Massachusetts) | 530.95 mi (854.49 km) |
| Willoughby to Medford (New York) | 441.14 mi (709.94 km) |
| Willoughby to Medford (Oregon) | 2,107.54 mi (3,391.76 km) |
| Willoughby to Medina (Ohio) | 42.58 mi (68.53 km) |
| Willoughby to Medulla (Florida) | 946.37 mi (1,523.04 km) |
| Willoughby to Mehlville (Missouri) | 518.24 mi (834.03 km) |
| Willoughby to Melbourne (Florida) | 936.28 mi (1,506.80 km) |
| Willoughby to Melissa (Texas) | 1,009.29 mi (1,624.29 km) |
| Willoughby to Melrose (Massachusetts) | 533.58 mi (858.72 km) |
| Willoughby to Melrose Park (Illinois) | 333.02 mi (535.94 km) |
| Willoughby to Melville (New York) | 419.88 mi (675.74 km) |
| Willoughby to Melvindale (Michigan) | 100.93 mi (162.44 km) |
| Willoughby to Memphis (Florida) | 976.56 mi (1,571.62 km) |
| Willoughby to Memphis (Tennessee) | 646.57 mi (1,040.55 km) |
| Willoughby to Menasha (Wisconsin) | 396.71 mi (638.44 km) |
