| Harrow Weald to Chojnice | 761.54 mi (1,225.58 km) |
| Harrow Weald to Chojnow | 699.83 mi (1,126.27 km) |
| Harrow Weald to Chorzow | 841.92 mi (1,354.94 km) |
| Harrow Weald to Choszczno | 671.73 mi (1,081.04 km) |
| Harrow Weald to Chrzanow | 864.01 mi (1,390.49 km) |
| Harrow Weald to Ciechanow | 888.50 mi (1,429.90 km) |
| Harrow Weald to Ciechocinek | 811.36 mi (1,305.77 km) |
| Harrow Weald to Cieszyn | 838.05 mi (1,348.71 km) |
| Harrow Weald to Czarna Bialostocka | 996.91 mi (1,604.37 km) |
| Harrow Weald to Czarnkow | 718.96 mi (1,157.06 km) |
| Harrow Weald to Czechowice-Dziedzice | 851.01 mi (1,369.57 km) |
| Harrow Weald to Czeladz | 847.10 mi (1,363.28 km) |
| Harrow Weald to Czersk Pomorski | 779.24 mi (1,254.07 km) |
| Harrow Weald to Czestochowa | 841.61 mi (1,354.44 km) |
| Harrow Weald to Czluchow | 753.91 mi (1,213.30 km) |
