| Gorna Oryahovitsa to Clarkston (Georgia) | 5,527.39 mi (8,895.47 km) |
| Gorna Oryahovitsa to Clarksville (Indiana) | 5,362.92 mi (8,630.79 km) |
| Gorna Oryahovitsa to Clarksville (Tennessee) | 5,510.18 mi (8,867.78 km) |
| Gorna Oryahovitsa to Clawson (Michigan) | 5,059.89 mi (8,143.11 km) |
| Gorna Oryahovitsa to Clay (Alabama) | 5,627.07 mi (9,055.90 km) |
| Gorna Oryahovitsa to Clayton (California) | 6,478.80 mi (10,426.62 km) |
| Gorna Oryahovitsa to Clayton (Missouri) | 5,514.68 mi (8,875.01 km) |
| Gorna Oryahovitsa to Clayton (North Carolina) | 5,203.29 mi (8,373.88 km) |
| Gorna Oryahovitsa to Clayton (Ohio) | 5,232.66 mi (8,421.14 km) |
| Gorna Oryahovitsa to Clearfield (Utah) | 6,049.72 mi (9,736.08 km) |
| Gorna Oryahovitsa to Clearlake (California) | 6,428.67 mi (10,345.95 km) |
| Gorna Oryahovitsa to Clearwater (Florida) | 5,755.50 mi (9,262.58 km) |
| Gorna Oryahovitsa to Cleburne (Texas) | 6,103.08 mi (9,821.96 km) |
| Gorna Oryahovitsa to Clemmons (North Carolina) | 5,264.41 mi (8,472.26 km) |
| Gorna Oryahovitsa to Clemson (South Carolina) | 5,427.25 mi (8,734.31 km) |
