| Willoughby to Chojnice | 4,296.33 mi (6,914.27 km) |
| Willoughby to Chojnow | 4,332.26 mi (6,972.09 km) |
| Willoughby to Chorzow | 4,478.65 mi (7,207.69 km) |
| Willoughby to Choszczno | 4,242.57 mi (6,827.76 km) |
| Willoughby to Chrzanow | 4,501.52 mi (7,244.49 km) |
| Willoughby to Ciechanow | 4,433.86 mi (7,135.60 km) |
| Willoughby to Ciechocinek | 4,370.10 mi (7,033.00 km) |
| Willoughby to Cieszyn | 4,489.40 mi (7,224.99 km) |
| Willoughby to Czarna Bialostocka | 4,504.51 mi (7,249.31 km) |
| Willoughby to Czarnkow | 4,292.73 mi (6,908.48 km) |
| Willoughby to Czechowice-Dziedzice | 4,496.30 mi (7,236.10 km) |
| Willoughby to Czeladz | 4,482.08 mi (7,213.21 km) |
| Willoughby to Czersk Pomorski | 4,307.22 mi (6,931.80 km) |
| Willoughby to Czestochowa | 4,464.47 mi (7,184.87 km) |
| Willoughby to Czluchow | 4,291.33 mi (6,906.23 km) |
