| Keystone to Chojnice | 5,061.95 mi (8,146.43 km) |
| Keystone to Chojnow | 5,070.49 mi (8,160.16 km) |
| Keystone to Chorzow | 5,218.18 mi (8,397.85 km) |
| Keystone to Choszczno | 4,997.05 mi (8,041.98 km) |
| Keystone to Chrzanow | 5,241.14 mi (8,434.80 km) |
| Keystone to Ciechanow | 5,201.64 mi (8,371.23 km) |
| Keystone to Ciechocinek | 5,132.24 mi (8,259.54 km) |
| Keystone to Cieszyn | 5,222.76 mi (8,405.22 km) |
| Keystone to Czarna Bialostocka | 5,284.21 mi (8,504.12 km) |
| Keystone to Czarnkow | 5,048.20 mi (8,124.29 km) |
| Keystone to Czechowice-Dziedzice | 5,232.50 mi (8,420.90 km) |
| Keystone to Czeladz | 5,222.39 mi (8,404.62 km) |
| Keystone to Czersk Pomorski | 5,074.91 mi (8,167.28 km) |
| Keystone to Czestochowa | 5,209.12 mi (8,383.27 km) |
| Keystone to Czluchow | 5,056.12 mi (8,137.04 km) |
