| Harmanli to Carquefou | 1,389.28 mi (2,235.83 km) |
| Harmanli to Carqueiranne | 1,010.56 mi (1,626.35 km) |
| Harmanli to Carrieres-sous-Poissy | 1,247.53 mi (2,007.70 km) |
| Harmanli to Carrieres-sur-Seine | 1,235.88 mi (1,988.96 km) |
| Harmanli to Carros | 953.94 mi (1,535.22 km) |
| Harmanli to Carvin | 1,238.93 mi (1,993.87 km) |
| Harmanli to Castanet-Tolosan | 1,238.93 mi (1,993.86 km) |
| Harmanli to Castelginest | 1,241.52 mi (1,998.04 km) |
| Harmanli to Castelnau-le-Lez | 1,118.36 mi (1,799.83 km) |
| Harmanli to Castelnaudary | 1,216.95 mi (1,958.48 km) |
| Harmanli to Castelsarrasin | 1,256.73 mi (2,022.50 km) |
| Harmanli to Castres | 1,201.03 mi (1,932.86 km) |
| Harmanli to Caudebec-les-Elbeuf | 1,297.69 mi (2,088.42 km) |
| Harmanli to Caudry | 1,211.60 mi (1,949.88 km) |
| Harmanli to Cavaillon | 1,061.44 mi (1,708.23 km) |
