| Rock Island to Lindon (Utah) | 1,103.72 mi (1,776.26 km) |
| Rock Island to Lindsay (California) | 1,568.97 mi (2,525.01 km) |
| Rock Island to Linganore (Maryland) | 711.95 mi (1,145.77 km) |
| Rock Island to Lino Lakes (Minnesota) | 284.71 mi (458.20 km) |
| Rock Island to Linthicum (Maryland) | 748.67 mi (1,204.87 km) |
| Rock Island to Linton Hall (Virginia) | 711.69 mi (1,145.36 km) |
| Rock Island to Lisle (Illinois) | 130.69 mi (210.33 km) |
| Rock Island to Lithia Springs (Georgia) | 622.25 mi (1,001.41 km) |
| Rock Island to Little Canada (Minnesota) | 275.99 mi (444.17 km) |
| Rock Island to Little Chute (Wisconsin) | 226.02 mi (363.75 km) |
| Rock Island to Little Elm (Texas) | 669.76 mi (1,077.88 km) |
| Rock Island to Little Ferry (New Jersey) | 860.38 mi (1,384.65 km) |
| Rock Island to Little Rock (Arkansas) | 475.84 mi (765.80 km) |
| Rock Island to Littleton (Colorado) | 768.20 mi (1,236.29 km) |
| Rock Island to Live Oak (California) | 1,699.11 mi (2,734.46 km) |
