| Hard to Land O' Lakes (Florida) | 4,902.92 mi (7,890.48 km) |
| Hard to Landover (Maryland) | 4,170.57 mi (6,711.88 km) |
| Hard to Langley Park (Maryland) | 4,171.60 mi (6,713.54 km) |
| Hard to Lanham (Maryland) | 4,167.02 mi (6,706.17 km) |
| Hard to Lansdale (Pennsylvania) | 4,046.95 mi (6,512.94 km) |
| Hard to Lansdowne (Pennsylvania) | 4,059.54 mi (6,533.19 km) |
| Hard to Lansdowne (Virginia) | 4,188.40 mi (6,740.58 km) |
| Hard to Lansing (Illinois) | 4,478.94 mi (7,208.16 km) |
| Hard to Lansing (Kansas) | 4,868.07 mi (7,834.40 km) |
| Hard to Lansing (Michigan) | 4,311.65 mi (6,938.93 km) |
| Hard to Lantana (Florida) | 4,876.36 mi (7,847.74 km) |
| Hard to Lantana (Texas) | 5,264.05 mi (8,471.66 km) |
| Hard to Laplace (Louisiana) | 5,151.80 mi (8,291.02 km) |
| Hard to Laramie (Wyoming) | 5,137.28 mi (8,267.66 km) |
| Hard to Laredo (Texas) | 5,645.11 mi (9,084.92 km) |
