| Harrow Weald to Casamassima | 1,099.94 mi (1,770.18 km) |
| Harrow Weald to Casandrino | 1,010.81 mi (1,626.74 km) |
| Harrow Weald to Casapulla | 1,004.67 mi (1,616.86 km) |
| Harrow Weald to Casarano | 1,191.81 mi (1,918.03 km) |
| Harrow Weald to Casatenovo | 599.55 mi (964.88 km) |
| Harrow Weald to Casciana Terme | 754.93 mi (1,214.95 km) |
| Harrow Weald to Cascina | 744.40 mi (1,198.00 km) |
| Harrow Weald to Caselle Torinese | 574.98 mi (925.33 km) |
| Harrow Weald to Caserta | 1,006.30 mi (1,619.48 km) |
| Harrow Weald to Casier | 707.23 mi (1,138.17 km) |
| Harrow Weald to Casorate Primo | 609.38 mi (980.71 km) |
| Harrow Weald to Casoria | 1,014.23 mi (1,632.25 km) |
| Harrow Weald to Cassano al Ionio | 1,140.75 mi (1,835.87 km) |
| Harrow Weald to Cassano d'Adda | 614.64 mi (989.16 km) |
| Harrow Weald to Cassano delle Murge | 1,098.12 mi (1,767.25 km) |
