| Harrow Weald to Cernavoda | 1,394.37 mi (2,244.02 km) |
| Harrow Weald to Chitila | 1,301.77 mi (2,094.99 km) |
| Harrow Weald to Cisnadie | 1,182.71 mi (1,903.39 km) |
| Harrow Weald to Cluj-Napoca | 1,125.00 mi (1,810.51 km) |
| Harrow Weald to Codlea | 1,237.93 mi (1,992.26 km) |
| Harrow Weald to Comanesti | 1,257.40 mi (2,023.59 km) |
| Harrow Weald to Comarnic | 1,261.03 mi (2,029.44 km) |
| Harrow Weald to Constanta | 1,425.88 mi (2,294.73 km) |
| Harrow Weald to Corabia | 1,267.54 mi (2,039.90 km) |
| Harrow Weald to Costesti | 1,249.71 mi (2,011.21 km) |
| Harrow Weald to Covasna | 1,264.42 mi (2,034.89 km) |
| Harrow Weald to Craiova | 1,217.77 mi (1,959.81 km) |
| Harrow Weald to Cristuru Secuiesc | 1,201.41 mi (1,933.48 km) |
| Harrow Weald to Cugir | 1,145.15 mi (1,842.94 km) |
| Harrow Weald to Cumpana | 1,424.55 mi (2,292.58 km) |
