| Plonsk to Cabestany | 1,058.89 mi (1,704.12 km) |
| Plonsk to Cabries | 936.73 mi (1,507.52 km) |
| Plonsk to Cachan | 830.54 mi (1,336.62 km) |
| Plonsk to Caen | 931.53 mi (1,499.16 km) |
| Plonsk to Cagnes-sur-Mer | 867.01 mi (1,395.32 km) |
| Plonsk to Cahors | 1,029.94 mi (1,657.52 km) |
| Plonsk to Calais | 798.02 mi (1,284.28 km) |
| Plonsk to Caluire-et-Cuire | 842.76 mi (1,356.29 km) |
| Plonsk to Cambrai | 756.36 mi (1,217.25 km) |
| Plonsk to Canet-en-Roussillon | 1,055.39 mi (1,698.48 km) |
| Plonsk to Cannes | 877.37 mi (1,411.99 km) |
| Plonsk to Canteleu | 865.84 mi (1,393.44 km) |
| Plonsk to Capbreton | 1,175.21 mi (1,891.32 km) |
| Plonsk to Carcassonne | 1,053.84 mi (1,696.00 km) |
| Plonsk to Carmaux | 1,021.16 mi (1,643.40 km) |
