| Castle Rock to La Crosse (Wisconsin) | 766.99 mi (1,234.35 km) |
| Castle Rock to La Grande (Oregon) | 789.38 mi (1,270.38 km) |
| Castle Rock to La Grange (Illinois) | 904.98 mi (1,456.43 km) |
| Castle Rock to La Grange Park (Illinois) | 905.22 mi (1,456.81 km) |
| Castle Rock to La Habra (California) | 816.68 mi (1,314.31 km) |
| Castle Rock to La Homa (Texas) | 979.61 mi (1,576.53 km) |
| Castle Rock to La Marque (Texas) | 890.01 mi (1,432.33 km) |
| Castle Rock to La Mesa (California) | 817.36 mi (1,315.41 km) |
| Castle Rock to La Mirada (California) | 820.43 mi (1,320.36 km) |
| Castle Rock to La Palma (California) | 823.84 mi (1,325.84 km) |
| Castle Rock to La Porte (Indiana) | 963.66 mi (1,550.87 km) |
| Castle Rock to La Porte (Texas) | 871.41 mi (1,402.40 km) |
| Castle Rock to La Presa (California) | 819.04 mi (1,318.11 km) |
| Castle Rock to La Puente (California) | 813.06 mi (1,308.49 km) |
| Castle Rock to La Quinta (California) | 746.65 mi (1,201.62 km) |
