| Boone to Cicero (Illinois) | 508.07 mi (817.66 km) |
| Boone to Cimarron Hills (Colorado) | 1,271.68 mi (2,046.57 km) |
| Boone to Cincinnati (Ohio) | 255.10 mi (410.55 km) |
| Boone to Cinco Ranch (Texas) | 929.88 mi (1,496.50 km) |
| Boone to Circleville (Ohio) | 244.53 mi (393.53 km) |
| Boone to Citrus (California) | 2,039.26 mi (3,281.88 km) |
| Boone to Citrus Heights (California) | 2,163.09 mi (3,481.15 km) |
| Boone to Citrus Park (Florida) | 564.72 mi (908.82 km) |
| Boone to Claiborne (Louisiana) | 651.51 mi (1,048.51 km) |
| Boone to Claremont (California) | 2,029.47 mi (3,266.12 km) |
| Boone to Claremont (New Hampshire) | 699.57 mi (1,125.85 km) |
| Boone to Claremore (Oklahoma) | 776.11 mi (1,249.03 km) |
| Boone to Clarksburg (Maryland) | 318.06 mi (511.87 km) |
| Boone to Clarksburg (West Virginia) | 224.78 mi (361.76 km) |
| Boone to Clarksdale (Mississippi) | 521.36 mi (839.05 km) |
