| Harmanli to Calafell | 1,254.56 mi (2,019.01 km) |
| Harmanli to Calahorra | 1,422.04 mi (2,288.55 km) |
| Harmanli to Calasparra | 1,474.71 mi (2,373.32 km) |
| Harmanli to Calatayud | 1,416.11 mi (2,279.01 km) |
| Harmanli to Caldas de Montbuy | 1,218.98 mi (1,961.76 km) |
| Harmanli to Caldas de Reyes | 1,754.19 mi (2,823.09 km) |
| Harmanli to Calella | 1,193.80 mi (1,921.24 km) |
| Harmanli to Callosa de Segura | 1,434.98 mi (2,309.38 km) |
| Harmanli to Calpe | 1,376.10 mi (2,214.62 km) |
| Harmanli to Calvia | 1,231.51 mi (1,981.93 km) |
| Harmanli to Camas | 1,716.69 mi (2,762.75 km) |
| Harmanli to Cambados | 1,763.57 mi (2,838.20 km) |
| Harmanli to Cambre | 1,731.14 mi (2,786.00 km) |
| Harmanli to Cambrils | 1,282.49 mi (2,063.97 km) |
| Harmanli to Campo de Criptana | 1,523.41 mi (2,451.69 km) |
