| Harrow Weald to Busto Arsizio | 588.82 mi (947.61 km) |
| Harrow Weald to Busto Garolfo | 593.25 mi (954.74 km) |
| Harrow Weald to Cabras | 911.18 mi (1,466.41 km) |
| Harrow Weald to Cadelbosco di Sopra | 689.38 mi (1,109.45 km) |
| Harrow Weald to Cadoneghe | 702.85 mi (1,131.13 km) |
| Harrow Weald to Cagli | 820.10 mi (1,319.83 km) |
| Harrow Weald to Cagliari | 968.35 mi (1,558.40 km) |
| Harrow Weald to Cairo Montenotte | 636.31 mi (1,024.04 km) |
| Harrow Weald to Caivano | 1,011.52 mi (1,627.88 km) |
| Harrow Weald to Calcinaia | 746.50 mi (1,201.37 km) |
| Harrow Weald to Calcinato | 648.76 mi (1,044.07 km) |
| Harrow Weald to Calderara di Reno | 721.88 mi (1,161.76 km) |
| Harrow Weald to Caldogno | 680.10 mi (1,094.51 km) |
| Harrow Weald to Calenzano | 754.40 mi (1,214.08 km) |
| Harrow Weald to Calolziocorte | 598.57 mi (963.31 km) |
