| Ionia to Chojnice | 4,349.48 mi (6,999.80 km) |
| Ionia to Chojnow | 4,395.45 mi (7,073.79 km) |
| Ionia to Chorzow | 4,540.50 mi (7,307.23 km) |
| Ionia to Choszczno | 4,300.32 mi (6,920.70 km) |
| Ionia to Chrzanow | 4,563.21 mi (7,343.78 km) |
| Ionia to Ciechanow | 4,485.37 mi (7,218.50 km) |
| Ionia to Ciechocinek | 4,424.18 mi (7,120.02 km) |
| Ionia to Cieszyn | 4,553.40 mi (7,327.99 km) |
| Ionia to Czarna Bialostocka | 4,550.85 mi (7,323.89 km) |
| Ionia to Czarnkow | 4,349.80 mi (7,000.33 km) |
| Ionia to Czechowice-Dziedzice | 4,559.25 mi (7,337.40 km) |
| Ionia to Czeladz | 4,543.64 mi (7,312.28 km) |
| Ionia to Czersk Pomorski | 4,359.50 mi (7,015.93 km) |
| Ionia to Czestochowa | 4,524.55 mi (7,281.56 km) |
| Ionia to Czluchow | 4,344.83 mi (6,992.33 km) |
