| Harrow to Chivasso | 580.49 mi (934.20 km) |
| Harrow to Ciampino | 910.25 mi (1,464.90 km) |
| Harrow to Cicciano | 1,017.54 mi (1,637.58 km) |
| Harrow to Cingoli | 848.15 mi (1,364.97 km) |
| Harrow to Cinisello Balsamo | 603.21 mi (970.78 km) |
| Harrow to Cinisi | 1,133.11 mi (1,823.56 km) |
| Harrow to Cirie | 569.61 mi (916.70 km) |
| Harrow to Ciro Marina | 1,189.51 mi (1,914.33 km) |
| Harrow to Cislago | 589.94 mi (949.41 km) |
| Harrow to Cisterna di Latina | 928.89 mi (1,494.90 km) |
| Harrow to Cisternino | 1,128.64 mi (1,816.37 km) |
| Harrow to Citta di Castello | 810.35 mi (1,304.14 km) |
| Harrow to Citta Sant'Angelo | 919.90 mi (1,480.43 km) |
| Harrow to Cittadella | 687.80 mi (1,106.90 km) |
| Harrow to Cittanova | 1,211.37 mi (1,949.51 km) |
