| Blackburn to Clarkston (Georgia) | 4,057.36 mi (6,529.68 km) |
| Blackburn to Clarksville (Indiana) | 3,892.58 mi (6,264.50 km) |
| Blackburn to Clarksville (Tennessee) | 4,039.55 mi (6,501.04 km) |
| Blackburn to Clawson (Michigan) | 3,591.93 mi (5,780.66 km) |
| Blackburn to Clay (Alabama) | 4,155.99 mi (6,688.42 km) |
| Blackburn to Clayton (California) | 5,150.30 mi (8,288.61 km) |
| Blackburn to Clayton (Missouri) | 4,049.19 mi (6,516.54 km) |
| Blackburn to Clayton (North Carolina) | 3,736.79 mi (6,013.78 km) |
| Blackburn to Clayton (Ohio) | 3,762.64 mi (6,055.39 km) |
| Blackburn to Clearfield (Utah) | 4,670.55 mi (7,516.52 km) |
| Blackburn to Clearlake (California) | 5,111.04 mi (8,225.43 km) |
| Blackburn to Clearwater (Florida) | 4,297.11 mi (6,915.52 km) |
| Blackburn to Cleburne (Texas) | 4,638.26 mi (7,464.56 km) |
| Blackburn to Clemmons (North Carolina) | 3,795.30 mi (6,107.95 km) |
| Blackburn to Clemson (South Carolina) | 3,957.51 mi (6,368.99 km) |
