| Walnut Park to Lombard (Illinois) | 1,724.17 mi (2,774.79 km) |
| Walnut Park to Lomita (California) | 13.27 mi (21.35 km) |
| Walnut Park to Lompoc (California) | 137.02 mi (220.51 km) |
| Walnut Park to London (Ohio) | 1,951.38 mi (3,140.44 km) |
| Walnut Park to Lone Tree (Colorado) | 831.87 mi (1,338.77 km) |
| Walnut Park to Long Beach (California) | 12.20 mi (19.63 km) |
| Walnut Park to Long Beach (Mississippi) | 1,711.88 mi (2,755.01 km) |
| Walnut Park to Long Beach (New York) | 2,465.14 mi (3,967.26 km) |
| Walnut Park to Long Branch (New Jersey) | 2,449.48 mi (3,942.06 km) |
| Walnut Park to Longmont (Colorado) | 839.41 mi (1,350.91 km) |
| Walnut Park to Longview (Texas) | 1,356.38 mi (2,182.89 km) |
| Walnut Park to Longview (Washington) | 877.54 mi (1,412.27 km) |
| Walnut Park to Longwood (Florida) | 2,194.39 mi (3,531.53 km) |
| Walnut Park to Lorain (Ohio) | 2,020.72 mi (3,252.03 km) |
| Walnut Park to Lorton (Virginia) | 2,286.51 mi (3,679.78 km) |
