| Onda to Chojnice | 1,261.72 mi (2,030.54 km) |
| Onda to Chojnow | 1,101.13 mi (1,772.10 km) |
| Onda to Chorzow | 1,172.00 mi (1,886.15 km) |
| Onda to Choszczno | 1,172.46 mi (1,886.89 km) |
| Onda to Chrzanow | 1,183.63 mi (1,904.87 km) |
| Onda to Ciechanow | 1,327.39 mi (2,136.23 km) |
| Onda to Ciechocinek | 1,265.27 mi (2,036.25 km) |
| Onda to Cieszyn | 1,140.97 mi (1,836.22 km) |
| Onda to Czarna Bialostocka | 1,436.47 mi (2,311.77 km) |
| Onda to Czarnkow | 1,194.65 mi (1,922.60 km) |
| Onda to Czechowice-Dziedzice | 1,160.98 mi (1,868.42 km) |
| Onda to Czeladz | 1,178.24 mi (1,896.19 km) |
| Onda to Czersk Pomorski | 1,278.97 mi (2,058.30 km) |
| Onda to Czestochowa | 1,195.93 mi (1,924.67 km) |
| Onda to Czluchow | 1,254.59 mi (2,019.06 km) |
