| Kardzhali to Corinth (Mississippi) | 5,691.39 mi (9,159.41 km) |
| Kardzhali to Corinth (Texas) | 6,108.38 mi (9,830.49 km) |
| Kardzhali to Cornelius (North Carolina) | 5,358.95 mi (8,624.40 km) |
| Kardzhali to Cornelius (Oregon) | 6,106.94 mi (9,828.17 km) |
| Kardzhali to Corning (New York) | 4,900.57 mi (7,886.70 km) |
| Kardzhali to Corona (California) | 6,713.72 mi (10,804.69 km) |
| Kardzhali to Coronado (California) | 6,776.62 mi (10,905.91 km) |
| Kardzhali to Corpus Christi (Texas) | 6,410.74 mi (10,317.09 km) |
| Kardzhali to Corsicana (Texas) | 6,142.97 mi (9,886.16 km) |
| Kardzhali to Cortland (New York) | 4,846.05 mi (7,798.96 km) |
| Kardzhali to Corvallis (Oregon) | 6,171.63 mi (9,932.29 km) |
| Kardzhali to Coshocton (Ohio) | 5,174.08 mi (8,326.87 km) |
| Kardzhali to Costa Mesa (California) | 6,734.79 mi (10,838.60 km) |
| Kardzhali to Coto de Caza (California) | 6,730.63 mi (10,831.90 km) |
| Kardzhali to Cottage Grove (Minnesota) | 5,351.76 mi (8,612.83 km) |
