| Castle Rock to Great Bend (Kansas) | 333.00 mi (535.91 km) |
| Castle Rock to Great Falls (Montana) | 647.38 mi (1,041.86 km) |
| Castle Rock to Great Falls (Virginia) | 1,469.83 mi (2,365.47 km) |
| Castle Rock to Great Neck (New York) | 1,639.30 mi (2,638.19 km) |
| Castle Rock to Greeley (Colorado) | 71.92 mi (115.74 km) |
| Castle Rock to Green (Ohio) | 1,235.48 mi (1,988.30 km) |
| Castle Rock to Green Bay (Wisconsin) | 934.33 mi (1,503.66 km) |
| Castle Rock to Green River (Wyoming) | 284.09 mi (457.19 km) |
| Castle Rock to Green Valley (Arizona) | 624.47 mi (1,004.99 km) |
| Castle Rock to Green Valley (Maryland) | 1,469.36 mi (2,364.71 km) |
| Castle Rock to Greenacres (Florida) | 1,672.83 mi (2,692.16 km) |
| Castle Rock to Greenbelt (Maryland) | 1,491.86 mi (2,400.91 km) |
| Castle Rock to Greendale (Wisconsin) | 908.74 mi (1,462.48 km) |
| Castle Rock to Greeneville (Tennessee) | 1,220.43 mi (1,964.09 km) |
| Castle Rock to Greenfield (California) | 917.27 mi (1,476.21 km) |
