| Harmanli to Calne | 1,464.48 mi (2,356.85 km) |
| Harmanli to Cam | 1,484.26 mi (2,388.68 km) |
| Harmanli to Camberley | 1,410.21 mi (2,269.51 km) |
| Harmanli to Camborne | 1,586.95 mi (2,553.95 km) |
| Harmanli to Cambridge | 1,394.53 mi (2,244.27 km) |
| Harmanli to Cambuslang | 1,648.56 mi (2,653.09 km) |
| Harmanli to Canford Cliffs | 1,448.33 mi (2,330.86 km) |
| Harmanli to Cannock | 1,490.92 mi (2,399.40 km) |
| Harmanli to Canterbury | 1,334.22 mi (2,147.21 km) |
| Harmanli to Carlisle | 1,579.50 mi (2,541.95 km) |
| Harmanli to Carlton Colville | 1,339.25 mi (2,155.32 km) |
| Harmanli to Carluke | 1,634.35 mi (2,630.22 km) |
| Harmanli to Carnoustie | 1,617.15 mi (2,602.55 km) |
| Harmanli to Carshalton | 1,387.17 mi (2,232.44 km) |
| Harmanli to Carterton | 1,453.62 mi (2,339.38 km) |
