| Ponca City to Chojnice | 5,077.42 mi (8,171.32 km) |
| Ponca City to Chojnow | 5,134.13 mi (8,262.59 km) |
| Ponca City to Chorzow | 5,277.35 mi (8,493.07 km) |
| Ponca City to Choszczno | 5,033.63 mi (8,100.84 km) |
| Ponca City to Chrzanow | 5,299.81 mi (8,529.22 km) |
| Ponca City to Ciechanow | 5,210.81 mi (8,385.99 km) |
| Ponca City to Ciechocinek | 5,152.89 mi (8,292.77 km) |
| Ponca City to Cieszyn | 5,292.40 mi (8,517.30 km) |
| Ponca City to Czarna Bialostocka | 5,269.61 mi (8,480.61 km) |
| Ponca City to Czarnkow | 5,082.19 mi (8,178.99 km) |
| Ponca City to Czechowice-Dziedzice | 5,297.16 mi (8,524.96 km) |
| Ponca City to Czeladz | 5,280.16 mi (8,497.59 km) |
| Ponca City to Czersk Pomorski | 5,086.38 mi (8,185.73 km) |
| Ponca City to Czestochowa | 5,259.57 mi (8,464.47 km) |
| Ponca City to Czluchow | 5,073.21 mi (8,164.54 km) |
