| Harmanli to Ciampino | 683.71 mi (1,100.33 km) |
| Harmanli to Cicciano | 591.99 mi (952.71 km) |
| Harmanli to Cingoli | 651.45 mi (1,048.41 km) |
| Harmanli to Cinisello Balsamo | 867.62 mi (1,396.30 km) |
| Harmanli to Cinisi | 724.39 mi (1,165.79 km) |
| Harmanli to Cirie | 941.60 mi (1,515.36 km) |
| Harmanli to Ciro Marina | 492.49 mi (792.59 km) |
| Harmanli to Cislago | 880.79 mi (1,417.50 km) |
| Harmanli to Cisterna di Latina | 673.45 mi (1,083.81 km) |
| Harmanli to Cisternino | 446.82 mi (719.08 km) |
| Harmanli to Citta di Castello | 700.62 mi (1,127.54 km) |
| Harmanli to Citta Sant'Angelo | 607.14 mi (977.10 km) |
| Harmanli to Cittadella | 748.21 mi (1,204.13 km) |
| Harmanli to Cittanova | 574.10 mi (923.93 km) |
| Harmanli to Cividale del Friuli | 682.07 mi (1,097.68 km) |
