| Harnes to Carpentras | 452.70 mi (728.54 km) |
| Harnes to Carquefou | 295.32 mi (475.27 km) |
| Harnes to Carqueiranne | 529.37 mi (851.94 km) |
| Harnes to Carrieres-sous-Poissy | 110.47 mi (177.78 km) |
| Harnes to Carrieres-sur-Seine | 109.53 mi (176.27 km) |
| Harnes to Carros | 502.97 mi (809.45 km) |
| Harnes to Carvin | 4.04 mi (6.50 km) |
| Harnes to Castanet-Tolosan | 483.33 mi (777.84 km) |
| Harnes to Castelginest | 471.57 mi (758.92 km) |
| Harnes to Castelnau-le-Lez | 472.71 mi (760.76 km) |
| Harnes to Castelnaudary | 494.46 mi (795.75 km) |
| Harnes to Castelsarrasin | 450.48 mi (724.97 km) |
| Harnes to Castres | 473.95 mi (762.74 km) |
| Harnes to Caudebec-les-Elbeuf | 116.25 mi (187.09 km) |
| Harnes to Caudry | 31.43 mi (50.58 km) |
