| River Forest to Lombard (Illinois) | 10.20 mi (16.42 km) |
| River Forest to Lomita (California) | 1,744.82 mi (2,808.01 km) |
| River Forest to Lompoc (California) | 1,827.89 mi (2,941.70 km) |
| River Forest to London (Ohio) | 267.35 mi (430.25 km) |
| River Forest to Lone Tree (Colorado) | 906.25 mi (1,458.46 km) |
| River Forest to Long Beach (California) | 1,737.02 mi (2,795.47 km) |
| River Forest to Long Beach (Mississippi) | 800.44 mi (1,288.18 km) |
| River Forest to Long Beach (New York) | 739.98 mi (1,190.88 km) |
| River Forest to Long Branch (New Jersey) | 727.61 mi (1,170.97 km) |
| River Forest to Longmont (Colorado) | 906.98 mi (1,459.65 km) |
| River Forest to Longview (Texas) | 751.44 mi (1,209.32 km) |
| River Forest to Longview (Washington) | 1,755.85 mi (2,825.77 km) |
| River Forest to Longwood (Florida) | 981.13 mi (1,578.97 km) |
| River Forest to Lorain (Ohio) | 292.50 mi (470.73 km) |
| River Forest to Lorton (Virginia) | 600.30 mi (966.09 km) |
