| Harmanli to Centralia (Illinois) | 5,542.03 mi (8,919.03 km) |
| Harmanli to Centralia (Washington) | 6,020.46 mi (9,688.99 km) |
| Harmanli to Centreville (Virginia) | 5,072.61 mi (8,163.58 km) |
| Harmanli to Ceres (California) | 6,558.78 mi (10,555.34 km) |
| Harmanli to Cerritos (California) | 6,723.00 mi (10,819.62 km) |
| Harmanli to Chalco (Nebraska) | 5,650.24 mi (9,093.18 km) |
| Harmanli to Chalmette (Louisiana) | 6,011.11 mi (9,673.95 km) |
| Harmanli to Chambersburg (Pennsylvania) | 5,031.96 mi (8,098.16 km) |
| Harmanli to Chamblee (Georgia) | 5,585.02 mi (8,988.22 km) |
| Harmanli to Champaign (Illinois) | 5,430.98 mi (8,740.33 km) |
| Harmanli to Champlin (Minnesota) | 5,351.05 mi (8,611.68 km) |
| Harmanli to Chandler (Arizona) | 6,589.60 mi (10,604.94 km) |
| Harmanli to Chanhassen (Minnesota) | 5,372.93 mi (8,646.89 km) |
| Harmanli to Channahon (Illinois) | 5,365.44 mi (8,634.84 km) |
| Harmanli to Channelview (Texas) | 6,220.88 mi (10,011.54 km) |
