| Rock Island to La Crescenta-Montrose (California) | 1,581.36 mi (2,544.95 km) |
| Rock Island to La Crosse (Wisconsin) | 165.92 mi (267.02 km) |
| Rock Island to La Grande (Oregon) | 1,399.09 mi (2,251.61 km) |
| Rock Island to La Grange (Illinois) | 141.79 mi (228.18 km) |
| Rock Island to La Grange Park (Illinois) | 142.13 mi (228.73 km) |
| Rock Island to La Habra (California) | 1,576.41 mi (2,536.98 km) |
| Rock Island to La Homa (Texas) | 1,139.13 mi (1,833.26 km) |
| Rock Island to La Marque (Texas) | 871.92 mi (1,403.21 km) |
| Rock Island to La Mesa (California) | 1,567.74 mi (2,523.04 km) |
| Rock Island to La Mirada (California) | 1,580.17 mi (2,543.03 km) |
| Rock Island to La Palma (California) | 1,583.42 mi (2,548.28 km) |
| Rock Island to La Porte (Indiana) | 200.27 mi (322.31 km) |
| Rock Island to La Porte (Texas) | 852.78 mi (1,372.42 km) |
| Rock Island to La Presa (California) | 1,568.92 mi (2,524.93 km) |
| Rock Island to La Puente (California) | 1,573.21 mi (2,531.84 km) |
