| Harmanli to Busto Garolfo | 883.29 mi (1,421.52 km) |
| Harmanli to Cabras | 915.35 mi (1,473.12 km) |
| Harmanli to Cadelbosco di Sopra | 791.93 mi (1,274.48 km) |
| Harmanli to Cadoneghe | 737.69 mi (1,187.20 km) |
| Harmanli to Cagli | 680.81 mi (1,095.65 km) |
| Harmanli to Cagliari | 899.06 mi (1,446.89 km) |
| Harmanli to Cairo Montenotte | 902.95 mi (1,453.16 km) |
| Harmanli to Caivano | 604.17 mi (972.32 km) |
| Harmanli to Calcinaia | 782.92 mi (1,259.98 km) |
| Harmanli to Calcinato | 809.50 mi (1,302.77 km) |
| Harmanli to Calderara di Reno | 757.43 mi (1,218.96 km) |
| Harmanli to Caldogno | 760.84 mi (1,224.45 km) |
| Harmanli to Calenzano | 756.51 mi (1,217.49 km) |
| Harmanli to Calolziocorte | 860.82 mi (1,385.35 km) |
| Harmanli to Caltagirone | 686.90 mi (1,105.45 km) |
