| Boulder to Cherry Creek (Colorado) | 35.32 mi (56.84 km) |
| Boulder to Cherry Hill (Virginia) | 1,492.40 mi (2,401.78 km) |
| Boulder to Cherry Hill Mall (New Jersey) | 1,593.25 mi (2,564.09 km) |
| Boulder to Cherryland (California) | 919.65 mi (1,480.03 km) |
| Boulder to Chesapeake (Virginia) | 1,578.51 mi (2,540.37 km) |
| Boulder to Chester (Pennsylvania) | 1,575.58 mi (2,535.65 km) |
| Boulder to Chester (Virginia) | 1,505.39 mi (2,422.68 km) |
| Boulder to Chesterfield (Missouri) | 788.75 mi (1,269.37 km) |
| Boulder to Chesterton (Indiana) | 956.01 mi (1,538.54 km) |
| Boulder to Chestnut Ridge (New York) | 1,630.64 mi (2,624.25 km) |
| Boulder to Cheval (Florida) | 1,531.18 mi (2,464.20 km) |
| Boulder to Cheyenne (Wyoming) | 80.45 mi (129.47 km) |
| Boulder to Chicago (Illinois) | 923.79 mi (1,486.69 km) |
| Boulder to Chicago Heights (Illinois) | 925.99 mi (1,490.24 km) |
| Boulder to Chicago Ridge (Illinois) | 918.73 mi (1,478.55 km) |
