| River Forest to Los Alamitos (California) | 1,731.56 mi (2,786.68 km) |
| River Forest to Los Alamos (New Mexico) | 1,073.38 mi (1,727.43 km) |
| River Forest to Los Altos (California) | 1,838.04 mi (2,958.05 km) |
| River Forest to Los Angeles (California) | 1,739.17 mi (2,798.92 km) |
| River Forest to Los Banos (California) | 1,780.97 mi (2,866.20 km) |
| River Forest to Los Gatos (California) | 1,834.20 mi (2,951.86 km) |
| River Forest to Los Lunas (New Mexico) | 1,134.63 mi (1,826.02 km) |
| River Forest to Los Osos (California) | 1,827.13 mi (2,940.48 km) |
| River Forest to Loudoun Valley Estates (Virginia) | 578.20 mi (930.53 km) |
| River Forest to Louisville (Colorado) | 912.43 mi (1,468.42 km) |
| River Forest to Louisville (Kentucky) | 282.04 mi (453.90 km) |
| River Forest to Lovejoy (Georgia) | 614.45 mi (988.86 km) |
| River Forest to Loveland (Colorado) | 901.26 mi (1,450.44 km) |
| River Forest to Loveland (Ohio) | 259.91 mi (418.29 km) |
| River Forest to Loves Park (Illinois) | 67.65 mi (108.86 km) |
