| Harmanli to Caño Martin Peña (Puerto Rico) | 5,472.70 mi (8,807.46 km) |
| Harmanli to Cañon City (Colorado) | 6,090.50 mi (9,801.71 km) |
| Harmanli to Canóvanas (Puerto Rico) | 5,468.04 mi (8,799.97 km) |
| Harmanli to Canton (Georgia) | 5,574.95 mi (8,972.02 km) |
| Harmanli to Canton (Illinois) | 5,472.35 mi (8,806.89 km) |
| Harmanli to Canton (Mississippi) | 5,877.74 mi (9,459.31 km) |
| Harmanli to Canton (Ohio) | 5,137.81 mi (8,268.50 km) |
| Harmanli to Canyon (Texas) | 6,180.71 mi (9,946.90 km) |
| Harmanli to Canyon Lake (California) | 6,713.46 mi (10,804.27 km) |
| Harmanli to Canyon Lake (Texas) | 6,334.54 mi (10,194.46 km) |
| Harmanli to Cape Coral (Florida) | 5,840.31 mi (9,399.07 km) |
| Harmanli to Cape Girardeau (Missouri) | 5,619.49 mi (9,043.69 km) |
| Harmanli to Carbondale (Illinois) | 5,586.14 mi (8,990.03 km) |
| Harmanli to Carlisle (Pennsylvania) | 5,001.73 mi (8,049.51 km) |
| Harmanli to Carlsbad (California) | 6,748.82 mi (10,861.17 km) |
