| Blackburn to Cicero (Illinois) | 3,796.90 mi (6,110.53 km) |
| Blackburn to Cimarron Hills (Colorado) | 4,552.44 mi (7,326.44 km) |
| Blackburn to Cincinnati (Ohio) | 3,804.45 mi (6,122.67 km) |
| Blackburn to Cinco Ranch (Texas) | 4,715.15 mi (7,588.30 km) |
| Blackburn to Circleville (Ohio) | 3,721.77 mi (5,989.61 km) |
| Blackburn to Citrus (California) | 5,249.75 mi (8,448.66 km) |
| Blackburn to Citrus Heights (California) | 5,087.64 mi (8,187.76 km) |
| Blackburn to Citrus Park (Florida) | 4,284.20 mi (6,894.75 km) |
| Blackburn to Claiborne (Louisiana) | 4,431.48 mi (7,131.78 km) |
| Blackburn to Claremont (California) | 5,243.70 mi (8,438.92 km) |
| Blackburn to Claremont (New Hampshire) | 3,138.29 mi (5,050.58 km) |
| Blackburn to Claremore (Oklahoma) | 4,363.57 mi (7,022.48 km) |
| Blackburn to Clarksburg (Maryland) | 3,519.36 mi (5,663.86 km) |
| Blackburn to Clarksburg (West Virginia) | 3,636.07 mi (5,851.68 km) |
| Blackburn to Clarksdale (Mississippi) | 4,283.55 mi (6,893.70 km) |
