| Willoughby to Middletown (New York) | 361.36 mi (581.55 km) |
| Willoughby to Middletown (Ohio) | 214.46 mi (345.15 km) |
| Willoughby to Midland (Michigan) | 198.17 mi (318.92 km) |
| Willoughby to Midland (Texas) | 1,318.95 mi (2,122.65 km) |
| Willoughby to Midlothian (Illinois) | 326.08 mi (524.77 km) |
| Willoughby to Midlothian (Texas) | 1,065.05 mi (1,714.04 km) |
| Willoughby to Midlothian (Virginia) | 350.14 mi (563.49 km) |
| Willoughby to Midvale (Utah) | 1,579.79 mi (2,542.42 km) |
| Willoughby to Midway (Florida) | 836.37 mi (1,346.01 km) |
| Willoughby to Midwest City (Oklahoma) | 960.42 mi (1,545.65 km) |
| Willoughby to Milford (Delaware) | 367.71 mi (591.78 km) |
| Willoughby to Milford city (Connecticut) | 433.12 mi (697.03 km) |
| Willoughby to Milford Mill (Maryland) | 291.08 mi (468.44 km) |
| Willoughby to Mililani Mauka (Hawaii) | 4,569.41 mi (7,353.75 km) |
| Willoughby to Mililani Town (Hawaii) | 4,571.65 mi (7,357.35 km) |
