| Harmanli to Corbetta | 880.87 mi (1,417.62 km) |
| Harmanli to Corciano | 697.43 mi (1,122.41 km) |
| Harmanli to Cordenons | 712.55 mi (1,146.73 km) |
| Harmanli to Cori | 668.72 mi (1,076.19 km) |
| Harmanli to Coriano | 686.32 mi (1,104.53 km) |
| Harmanli to Corigliano Calabro | 516.49 mi (831.20 km) |
| Harmanli to Corleone | 725.22 mi (1,167.13 km) |
| Harmanli to Cormano | 870.00 mi (1,400.13 km) |
| Harmanli to Cornaredo | 875.72 mi (1,409.33 km) |
| Harmanli to Cornate d'Adda | 857.11 mi (1,379.38 km) |
| Harmanli to Cornedo Vicentino | 767.89 mi (1,235.80 km) |
| Harmanli to Correggio | 783.14 mi (1,260.34 km) |
| Harmanli to Corridonia | 635.82 mi (1,023.26 km) |
| Harmanli to Corsico | 870.92 mi (1,401.61 km) |
| Harmanli to Cortona | 712.70 mi (1,146.99 km) |
