| Rock Island to LaGrange (Georgia) | 657.84 mi (1,058.70 km) |
| Rock Island to Laguna Beach (California) | 1,579.06 mi (2,541.25 km) |
| Rock Island to Laguna Hills (California) | 1,574.39 mi (2,533.74 km) |
| Rock Island to Laguna Niguel (California) | 1,576.79 mi (2,537.60 km) |
| Rock Island to Laguna Woods (California) | 1,575.37 mi (2,535.31 km) |
| Rock Island to Lahaina (Hawaii) | 4,053.83 mi (6,524.01 km) |
| Rock Island to Lake Arbor (Maryland) | 746.20 mi (1,200.89 km) |
| Rock Island to Lake Barcroft (Virginia) | 730.76 mi (1,176.05 km) |
| Rock Island to Lake Butler (Florida) | 1,031.28 mi (1,659.69 km) |
| Rock Island to Lake Charles (Louisiana) | 792.29 mi (1,275.07 km) |
| Rock Island to Lake City (Florida) | 896.25 mi (1,442.37 km) |
| Rock Island to Lake Elmo (Minnesota) | 270.05 mi (434.61 km) |
| Rock Island to Lake Elsinore (California) | 1,552.86 mi (2,499.09 km) |
| Rock Island to Lake Forest (California) | 1,570.75 mi (2,527.88 km) |
| Rock Island to Lake Forest (Illinois) | 149.84 mi (241.15 km) |
