| Portage to Chojnice | 4,407.50 mi (7,093.18 km) |
| Portage to Chojnow | 4,452.68 mi (7,165.89 km) |
| Portage to Chorzow | 4,597.87 mi (7,399.55 km) |
| Portage to Choszczno | 4,357.99 mi (7,013.51 km) |
| Portage to Chrzanow | 4,620.59 mi (7,436.12 km) |
| Portage to Ciechanow | 4,543.52 mi (7,312.08 km) |
| Portage to Ciechocinek | 4,482.14 mi (7,213.31 km) |
| Portage to Cieszyn | 4,610.58 mi (7,420.01 km) |
| Portage to Czarna Bialostocka | 4,609.35 mi (7,418.03 km) |
| Portage to Czarnkow | 4,407.53 mi (7,093.24 km) |
| Portage to Czechowice-Dziedzice | 4,616.52 mi (7,429.57 km) |
| Portage to Czeladz | 4,601.02 mi (7,404.63 km) |
| Portage to Czersk Pomorski | 4,417.58 mi (7,109.41 km) |
| Portage to Czestochowa | 4,582.06 mi (7,374.11 km) |
| Portage to Czluchow | 4,402.83 mi (7,085.67 km) |
