| Harmanli to Cervello | 1,232.28 mi (1,983.16 km) |
| Harmanli to Cervera | 1,264.34 mi (2,034.75 km) |
| Harmanli to Ceuti | 1,456.13 mi (2,343.42 km) |
| Harmanli to Cheste | 1,397.02 mi (2,248.28 km) |
| Harmanli to Chiclana de la Frontera | 1,747.66 mi (2,812.59 km) |
| Harmanli to Chipiona | 1,753.97 mi (2,822.73 km) |
| Harmanli to Chiva | 1,398.98 mi (2,251.45 km) |
| Harmanli to Churriana de la Vega | 1,600.41 mi (2,575.61 km) |
| Harmanli to Ciempozuelos | 1,535.42 mi (2,471.03 km) |
| Harmanli to Cieza | 1,460.08 mi (2,349.77 km) |
| Harmanli to Cisterniga | 1,567.60 mi (2,522.81 km) |
| Harmanli to Ciudad de Melilla | 1,615.22 mi (2,599.44 km) |
| Harmanli to Ciudad Real | 1,572.67 mi (2,530.96 km) |
| Harmanli to Ciudad-Rodrigo | 1,677.20 mi (2,699.19 km) |
| Harmanli to Cocentaina | 1,398.93 mi (2,251.36 km) |
