| Gretna to Chojnice | 5,231.62 mi (8,419.48 km) |
| Gretna to Chojnow | 5,260.49 mi (8,465.94 km) |
| Gretna to Chorzow | 5,407.62 mi (8,702.73 km) |
| Gretna to Choszczno | 5,175.05 mi (8,328.44 km) |
| Gretna to Chrzanow | 5,430.58 mi (8,739.67 km) |
| Gretna to Ciechanow | 5,369.89 mi (8,642.00 km) |
| Gretna to Ciechocinek | 5,304.73 mi (8,537.14 km) |
| Gretna to Cieszyn | 5,416.60 mi (8,717.18 km) |
| Gretna to Czarna Bialostocka | 5,443.05 mi (8,759.75 km) |
| Gretna to Czarnkow | 5,225.57 mi (8,409.74 km) |
| Gretna to Czechowice-Dziedzice | 5,424.36 mi (8,729.66 km) |
| Gretna to Czeladz | 5,411.28 mi (8,708.62 km) |
| Gretna to Czersk Pomorski | 5,243.00 mi (8,437.79 km) |
| Gretna to Czestochowa | 5,394.84 mi (8,682.16 km) |
| Gretna to Czluchow | 5,226.42 mi (8,411.11 km) |
