| Oria to Chojnow | 748.33 mi (1,204.32 km) |
| Oria to Chorzow | 680.09 mi (1,094.50 km) |
| Oria to Choszczno | 881.32 mi (1,418.35 km) |
| Oria to Chrzanow | 671.06 mi (1,079.96 km) |
| Oria to Ciechanow | 866.01 mi (1,393.70 km) |
| Oria to Ciechocinek | 857.31 mi (1,379.70 km) |
| Oria to Cieszyn | 640.95 mi (1,031.51 km) |
| Oria to Czarna Bialostocka | 923.01 mi (1,485.45 km) |
| Oria to Czarnkow | 858.22 mi (1,381.17 km) |
| Oria to Czechowice-Dziedzice | 653.78 mi (1,052.15 km) |
| Oria to Czeladz | 683.01 mi (1,099.20 km) |
| Oria to Czersk Pomorski | 918.58 mi (1,478.31 km) |
| Oria to Czestochowa | 715.22 mi (1,151.03 km) |
| Oria to Czluchow | 909.82 mi (1,464.21 km) |
| Oria to Dabrowa Gornicza | 682.72 mi (1,098.74 km) |
