| Harrow to Chenove | 381.65 mi (614.21 km) |
| Harrow to Cherbourg | 145.53 mi (234.20 km) |
| Harrow to Chevigny-Saint-Sauveur | 384.72 mi (619.15 km) |
| Harrow to Chevilly-Larue | 228.35 mi (367.49 km) |
| Harrow to Chilly-Mazarin | 231.24 mi (372.14 km) |
| Harrow to Choisy-le-Roi | 229.85 mi (369.90 km) |
| Harrow to Cholet | 313.46 mi (504.47 km) |
| Harrow to Clamart | 224.18 mi (360.79 km) |
| Harrow to Claye-Souilly | 226.19 mi (364.03 km) |
| Harrow to Clermont | 194.70 mi (313.33 km) |
| Harrow to Clermont-Ferrand | 430.09 mi (692.17 km) |
| Harrow to Clermont-l'Herault | 577.02 mi (928.63 km) |
| Harrow to Clichy | 219.07 mi (352.56 km) |
| Harrow to Clichy-sous-Bois | 224.76 mi (361.71 km) |
| Harrow to Cluses | 494.40 mi (795.66 km) |
