| Rock Island to Lancaster (Texas) | 701.56 mi (1,129.06 km) |
| Rock Island to Land O' Lakes (Florida) | 1,024.72 mi (1,649.13 km) |
| Rock Island to Landover (Maryland) | 742.99 mi (1,195.72 km) |
| Rock Island to Langley Park (Maryland) | 736.82 mi (1,185.80 km) |
| Rock Island to Lanham (Maryland) | 744.50 mi (1,198.16 km) |
| Rock Island to Lansdale (Pennsylvania) | 803.07 mi (1,292.42 km) |
| Rock Island to Lansdowne (Pennsylvania) | 807.58 mi (1,299.67 km) |
| Rock Island to Lansdowne (Virginia) | 709.11 mi (1,141.20 km) |
| Rock Island to Lansing (Illinois) | 157.22 mi (253.02 km) |
| Rock Island to Lansing (Kansas) | 274.32 mi (441.47 km) |
| Rock Island to Lansing (Michigan) | 320.45 mi (515.72 km) |
| Rock Island to Lantana (Florida) | 1,189.99 mi (1,915.11 km) |
| Rock Island to Lantana (Texas) | 680.85 mi (1,095.73 km) |
| Rock Island to Laplace (Louisiana) | 787.47 mi (1,267.30 km) |
| Rock Island to Laramie (Wyoming) | 777.97 mi (1,252.02 km) |
