| Willoughby to Lyndon (Kentucky) | 321.81 mi (517.90 km) |
| Willoughby to Lynn (Massachusetts) | 538.37 mi (866.42 km) |
| Willoughby to Lynn Haven (Florida) | 822.93 mi (1,324.38 km) |
| Willoughby to Lynnwood (Washington) | 2,027.18 mi (3,262.43 km) |
| Willoughby to Lynwood (California) | 2,061.76 mi (3,318.08 km) |
| Willoughby to Lyons (Illinois) | 330.69 mi (532.19 km) |
| Willoughby to Mableton (Georgia) | 567.90 mi (913.94 km) |
| Willoughby to Macedonia (Ohio) | 23.36 mi (37.59 km) |
| Willoughby to Machesney Park (Illinois) | 394.15 mi (634.32 km) |
| Willoughby to Mack (Ohio) | 243.65 mi (392.11 km) |
| Willoughby to Macomb (Illinois) | 489.60 mi (787.94 km) |
| Willoughby to Macon (Georgia) | 623.52 mi (1,003.46 km) |
| Willoughby to Madera (California) | 2,074.90 mi (3,339.23 km) |
| Willoughby to Madison (Alabama) | 560.19 mi (901.54 km) |
| Willoughby to Madison (Indiana) | 289.97 mi (466.67 km) |
