| Westbrook to Chojnice | 3,805.76 mi (6,124.78 km) |
| Westbrook to Chojnow | 3,826.13 mi (6,157.57 km) |
| Westbrook to Chorzow | 3,973.66 mi (6,394.98 km) |
| Westbrook to Choszczno | 3,745.18 mi (6,027.29 km) |
| Westbrook to Chrzanow | 3,996.64 mi (6,431.97 km) |
| Westbrook to Ciechanow | 3,944.97 mi (6,348.82 km) |
| Westbrook to Ciechocinek | 3,877.60 mi (6,240.39 km) |
| Westbrook to Cieszyn | 3,981.23 mi (6,407.16 km) |
| Westbrook to Czarna Bialostocka | 4,023.47 mi (6,475.15 km) |
| Westbrook to Czarnkow | 3,796.06 mi (6,109.16 km) |
| Westbrook to Czechowice-Dziedzice | 3,989.62 mi (6,420.67 km) |
| Westbrook to Czeladz | 3,977.51 mi (6,401.18 km) |
| Westbrook to Czersk Pomorski | 3,817.97 mi (6,144.43 km) |
| Westbrook to Czestochowa | 3,962.19 mi (6,376.52 km) |
| Westbrook to Czluchow | 3,800.24 mi (6,115.89 km) |
