| Harnes to Creutzwald | 189.38 mi (304.77 km) |
| Harnes to Croissy-sur-Seine | 113.54 mi (182.72 km) |
| Harnes to Croix | 19.37 mi (31.17 km) |
| Harnes to Crosne | 121.20 mi (195.05 km) |
| Harnes to Cuers | 519.84 mi (836.60 km) |
| Harnes to Cugnaux | 482.86 mi (777.08 km) |
| Harnes to Cusset | 298.90 mi (481.04 km) |
| Harnes to Dammarie-le-Lys | 133.70 mi (215.16 km) |
| Harnes to Dammartin-en-Goele | 96.62 mi (155.49 km) |
| Harnes to Dardilly | 331.65 mi (533.74 km) |
| Harnes to Darnetal | 104.22 mi (167.73 km) |
| Harnes to Dax | 501.00 mi (806.29 km) |
| Harnes to Decines-Charpieu | 336.62 mi (541.74 km) |
| Harnes to Denain | 23.00 mi (37.02 km) |
| Harnes to Deuil-la-Barre | 104.69 mi (168.48 km) |
