| Castle Rock to Tacoma (Washington) | 1,034.87 mi (1,665.47 km) |
| Castle Rock to Tahlequah (Oklahoma) | 590.57 mi (950.43 km) |
| Castle Rock to Takoma Park (Maryland) | 1,485.98 mi (2,391.45 km) |
| Castle Rock to Talladega (Alabama) | 1,118.19 mi (1,799.55 km) |
| Castle Rock to Tallahassee (Florida) | 1,315.51 mi (2,117.11 km) |
| Castle Rock to Tallmadge (Ohio) | 1,237.84 mi (1,992.12 km) |
| Castle Rock to Tamalpais-Homestead Valley (California) | 958.60 mi (1,542.71 km) |
| Castle Rock to Tamarac (Florida) | 1,685.25 mi (2,712.15 km) |
| Castle Rock to Tamiami (Florida) | 1,697.82 mi (2,732.38 km) |
| Castle Rock to Tampa (Florida) | 1,502.96 mi (2,418.78 km) |
| Castle Rock to Tanaina (Alaska) | 2,413.95 mi (3,884.87 km) |
| Castle Rock to Tanque Verde (Arizona) | 591.33 mi (951.65 km) |
| Castle Rock to Tarboro (North Carolina) | 1,506.73 mi (2,424.84 km) |
| Castle Rock to Tarpon Springs (Florida) | 1,481.07 mi (2,383.56 km) |
| Castle Rock to Tarrytown (New York) | 1,630.31 mi (2,623.72 km) |
