| Harrow to Creutzwald | 350.82 mi (564.58 km) |
| Harrow to Croissy-sur-Seine | 216.88 mi (349.03 km) |
| Harrow to Croix | 164.01 mi (263.95 km) |
| Harrow to Crosne | 233.93 mi (376.47 km) |
| Harrow to Cuers | 649.46 mi (1,045.20 km) |
| Harrow to Cugnaux | 561.43 mi (903.53 km) |
| Harrow to Cusset | 414.15 mi (666.51 km) |
| Harrow to Dammarie-le-Lys | 249.81 mi (402.03 km) |
| Harrow to Dammartin-en-Goele | 219.93 mi (353.94 km) |
| Harrow to Dardilly | 461.76 mi (743.13 km) |
| Harrow to Darnetal | 161.76 mi (260.33 km) |
| Harrow to Dax | 544.99 mi (877.08 km) |
| Harrow to Decines-Charpieu | 468.73 mi (754.35 km) |
| Harrow to Denain | 184.45 mi (296.85 km) |
| Harrow to Deuil-la-Barre | 215.32 mi (346.53 km) |
