| River Forest to Lovington (New Mexico) | 1,050.68 mi (1,690.91 km) |
| River Forest to Lowell (Indiana) | 46.52 mi (74.87 km) |
| River Forest to Lowell (Massachusetts) | 843.76 mi (1,357.89 km) |
| River Forest to Lower Burrell (Pennsylvania) | 430.61 mi (692.99 km) |
| River Forest to Lowes Island (Virginia) | 583.82 mi (939.57 km) |
| River Forest to Lubbock (Texas) | 958.23 mi (1,542.12 km) |
| River Forest to Lufkin (Texas) | 824.22 mi (1,326.45 km) |
| River Forest to Luling (Louisiana) | 840.64 mi (1,352.89 km) |
| River Forest to Lumberton (North Carolina) | 691.95 mi (1,113.58 km) |
| River Forest to Lumberton (Texas) | 879.05 mi (1,414.70 km) |
| River Forest to Lutz (Florida) | 997.28 mi (1,604.97 km) |
| River Forest to Lynbrook (New York) | 738.61 mi (1,188.67 km) |
| River Forest to Lynchburg (Virginia) | 553.78 mi (891.22 km) |
| River Forest to Lynden (Washington) | 1,732.08 mi (2,787.51 km) |
| River Forest to Lyndhurst (Ohio) | 327.34 mi (526.81 km) |
