| Panagyurishte to Clarkston (Georgia) | 5,492.49 mi (8,839.31 km) |
| Panagyurishte to Clarksville (Indiana) | 5,333.97 mi (8,584.19 km) |
| Panagyurishte to Clarksville (Tennessee) | 5,480.75 mi (8,820.41 km) |
| Panagyurishte to Clawson (Michigan) | 5,033.40 mi (8,100.48 km) |
| Panagyurishte to Clay (Alabama) | 5,594.10 mi (9,002.83 km) |
| Panagyurishte to Clayton (California) | 6,485.06 mi (10,436.69 km) |
| Panagyurishte to Clayton (Missouri) | 5,489.94 mi (8,835.21 km) |
| Panagyurishte to Clayton (North Carolina) | 5,165.56 mi (8,313.16 km) |
| Panagyurishte to Clayton (Ohio) | 5,204.17 mi (8,375.30 km) |
| Panagyurishte to Clearfield (Utah) | 6,047.67 mi (9,732.78 km) |
| Panagyurishte to Clearlake (California) | 6,436.34 mi (10,358.28 km) |
| Panagyurishte to Clearwater (Florida) | 5,713.56 mi (9,195.09 km) |
| Panagyurishte to Cleburne (Texas) | 6,078.84 mi (9,782.95 km) |
| Panagyurishte to Clemmons (North Carolina) | 5,228.63 mi (8,414.67 km) |
| Panagyurishte to Clemson (South Carolina) | 5,392.04 mi (8,677.65 km) |
