| Castle Rock to Troy (Michigan) | 1,150.42 mi (1,851.43 km) |
| Castle Rock to Troy (Missouri) | 743.37 mi (1,196.34 km) |
| Castle Rock to Troy (New York) | 1,631.48 mi (2,625.61 km) |
| Castle Rock to Troy (Ohio) | 1,095.32 mi (1,762.74 km) |
| Castle Rock to Truckee (California) | 818.02 mi (1,316.48 km) |
| Castle Rock to Trujillo Alto (Puerto Rico) | 2,731.60 mi (4,396.08 km) |
| Castle Rock to Trumbull Center (Connecticut) | 1,664.36 mi (2,678.53 km) |
| Castle Rock to Trussville (Alabama) | 1,086.91 mi (1,749.21 km) |
| Castle Rock to Tualatin (Oregon) | 1,001.42 mi (1,611.63 km) |
| Castle Rock to Tuckahoe (Virginia) | 1,474.37 mi (2,372.77 km) |
| Castle Rock to Tucker (Georgia) | 1,204.23 mi (1,938.02 km) |
| Castle Rock to Tucson (Arizona) | 602.24 mi (969.21 km) |
| Castle Rock to Tucson Estates (Arizona) | 608.66 mi (979.55 km) |
| Castle Rock to Tucson Mountains (Arizona) | 601.14 mi (967.44 km) |
| Castle Rock to Tukwila (Washington) | 1,034.26 mi (1,664.47 km) |
