| Harmanli to Campos del Puerto | 1,207.58 mi (1,943.41 km) |
| Harmanli to Canals | 1,401.94 mi (2,256.20 km) |
| Harmanli to Candelaria | 2,535.46 mi (4,080.43 km) |
| Harmanli to Canet de Mar | 1,198.23 mi (1,928.37 km) |
| Harmanli to Cangas | 1,765.74 mi (2,841.68 km) |
| Harmanli to Cangas de Narcea | 1,642.95 mi (2,644.08 km) |
| Harmanli to Canovellas | 1,213.33 mi (1,952.67 km) |
| Harmanli to Canteras | 1,455.28 mi (2,342.04 km) |
| Harmanli to Cantillana | 1,700.81 mi (2,737.19 km) |
| Harmanli to Capdepera | 1,181.42 mi (1,901.32 km) |
| Harmanli to Carballo | 1,749.26 mi (2,815.17 km) |
| Harmanli to Carcagente | 1,391.74 mi (2,239.79 km) |
| Harmanli to Cardedeu | 1,209.11 mi (1,945.87 km) |
| Harmanli to Carlet | 1,393.42 mi (2,242.49 km) |
| Harmanli to Carmona | 1,694.57 mi (2,727.15 km) |
