| Sliven to Clarkston (Georgia) | 5,571.76 mi (8,966.89 km) |
| Sliven to Clarksville (Indiana) | 5,407.54 mi (8,702.59 km) |
| Sliven to Clarksville (Tennessee) | 5,554.79 mi (8,939.57 km) |
| Sliven to Clawson (Michigan) | 5,104.54 mi (8,214.96 km) |
| Sliven to Clay (Alabama) | 5,671.55 mi (9,127.48 km) |
| Sliven to Clayton (California) | 6,520.47 mi (10,493.69 km) |
| Sliven to Clayton (Missouri) | 5,559.33 mi (8,946.87 km) |
| Sliven to Clayton (North Carolina) | 5,247.46 mi (8,444.96 km) |
| Sliven to Clayton (Ohio) | 5,277.28 mi (8,492.96 km) |
| Sliven to Clearfield (Utah) | 6,092.72 mi (9,805.29 km) |
| Sliven to Clearlake (California) | 6,470.09 mi (10,412.60 km) |
| Sliven to Clearwater (Florida) | 5,799.27 mi (9,333.02 km) |
| Sliven to Cleburne (Texas) | 6,147.73 mi (9,893.81 km) |
| Sliven to Clemmons (North Carolina) | 5,308.73 mi (8,543.57 km) |
| Sliven to Clemson (South Carolina) | 5,471.60 mi (8,805.69 km) |
