| Willoughby to Lombard (Illinois) | 340.82 mi (548.49 km) |
| Willoughby to Lomita (California) | 2,071.70 mi (3,334.07 km) |
| Willoughby to Lompoc (California) | 2,157.13 mi (3,471.57 km) |
| Willoughby to London (Ohio) | 161.03 mi (259.15 km) |
| Willoughby to Lone Tree (Colorado) | 1,235.84 mi (1,988.90 km) |
| Willoughby to Long Beach (California) | 2,063.80 mi (3,321.37 km) |
| Willoughby to Long Beach (Mississippi) | 891.22 mi (1,434.28 km) |
| Willoughby to Long Beach (New York) | 409.43 mi (658.91 km) |
| Willoughby to Long Branch (New Jersey) | 397.86 mi (640.29 km) |
| Willoughby to Longmont (Colorado) | 1,237.46 mi (1,991.50 km) |
| Willoughby to Longview (Texas) | 967.17 mi (1,556.52 km) |
| Willoughby to Longview (Washington) | 2,068.10 mi (3,328.28 km) |
| Willoughby to Longwood (Florida) | 894.38 mi (1,439.37 km) |
| Willoughby to Lorain (Ohio) | 42.54 mi (68.46 km) |
| Willoughby to Lorton (Virginia) | 300.69 mi (483.92 km) |
