| Alpena to Chojnice | 4,187.02 mi (6,738.36 km) |
| Alpena to Chojnow | 4,234.91 mi (6,815.43 km) |
| Alpena to Chorzow | 4,379.63 mi (7,048.33 km) |
| Alpena to Choszczno | 4,138.72 mi (6,660.63 km) |
| Alpena to Chrzanow | 4,402.29 mi (7,084.81 km) |
| Alpena to Ciechanow | 4,322.60 mi (6,956.55 km) |
| Alpena to Ciechocinek | 4,261.86 mi (6,858.80 km) |
| Alpena to Cieszyn | 4,392.97 mi (7,069.81 km) |
| Alpena to Czarna Bialostocka | 4,387.28 mi (7,060.65 km) |
| Alpena to Czarnkow | 4,188.05 mi (6,740.02 km) |
| Alpena to Czechowice-Dziedzice | 4,398.59 mi (7,078.85 km) |
| Alpena to Czeladz | 4,382.70 mi (7,053.27 km) |
| Alpena to Czersk Pomorski | 4,196.89 mi (6,754.25 km) |
| Alpena to Czestochowa | 4,363.32 mi (7,022.09 km) |
| Alpena to Czluchow | 4,182.44 mi (6,730.99 km) |
