| Castle Rock to Town and Country (Missouri) | 772.70 mi (1,243.54 km) |
| Castle Rock to Towson (Maryland) | 1,501.55 mi (2,416.51 km) |
| Castle Rock to Tracy (California) | 902.81 mi (1,452.93 km) |
| Castle Rock to Traverse City (Michigan) | 1,051.86 mi (1,692.81 km) |
| Castle Rock to Travilah (Maryland) | 1,472.17 mi (2,369.23 km) |
| Castle Rock to Trenton (Michigan) | 1,146.39 mi (1,844.94 km) |
| Castle Rock to Trenton (New Jersey) | 1,590.64 mi (2,559.89 km) |
| Castle Rock to Trenton (Ohio) | 1,085.97 mi (1,747.71 km) |
| Castle Rock to Triangle (Virginia) | 1,474.61 mi (2,373.16 km) |
| Castle Rock to Trinity (Florida) | 1,484.80 mi (2,389.56 km) |
| Castle Rock to Trophy Club (Texas) | 613.09 mi (986.68 km) |
| Castle Rock to Trotwood (Ohio) | 1,091.56 mi (1,756.69 km) |
| Castle Rock to Troutdale (Oregon) | 987.56 mi (1,589.32 km) |
| Castle Rock to Troy (Alabama) | 1,180.00 mi (1,899.03 km) |
| Castle Rock to Troy (Illinois) | 802.81 mi (1,292.00 km) |
