| Effingham to Chojnice | 4,670.47 mi (7,516.39 km) |
| Effingham to Chojnow | 4,714.69 mi (7,587.57 km) |
| Effingham to Chorzow | 4,860.07 mi (7,821.52 km) |
| Effingham to Choszczno | 4,620.60 mi (7,436.13 km) |
| Effingham to Chrzanow | 4,882.81 mi (7,858.13 km) |
| Effingham to Ciechanow | 4,806.59 mi (7,735.46 km) |
| Effingham to Ciechocinek | 4,745.05 mi (7,636.43 km) |
| Effingham to Cieszyn | 4,872.51 mi (7,841.55 km) |
| Effingham to Czarna Bialostocka | 4,872.61 mi (7,841.71 km) |
| Effingham to Czarnkow | 4,670.20 mi (7,515.96 km) |
| Effingham to Czechowice-Dziedzice | 4,878.59 mi (7,851.34 km) |
| Effingham to Czeladz | 4,863.26 mi (7,826.66 km) |
| Effingham to Czersk Pomorski | 4,680.60 mi (7,532.70 km) |
| Effingham to Czestochowa | 4,844.46 mi (7,796.40 km) |
| Effingham to Czluchow | 4,665.77 mi (7,508.84 km) |
