| Portici to Chojnow | 725.80 mi (1,168.06 km) |
| Portici to Chorzow | 691.58 mi (1,113.00 km) |
| Portici to Choszczno | 854.57 mi (1,375.30 km) |
| Portici to Chrzanow | 688.19 mi (1,107.54 km) |
| Portici to Ciechanow | 883.05 mi (1,421.13 km) |
| Portici to Ciechocinek | 859.11 mi (1,382.61 km) |
| Portici to Cieszyn | 651.07 mi (1,047.79 km) |
| Portici to Czarna Bialostocka | 957.81 mi (1,541.44 km) |
| Portici to Czarnkow | 841.16 mi (1,353.71 km) |
| Portici to Czechowice-Dziedzice | 667.52 mi (1,074.27 km) |
| Portici to Czeladz | 695.82 mi (1,119.81 km) |
| Portici to Czersk Pomorski | 912.06 mi (1,467.82 km) |
| Portici to Czestochowa | 726.52 mi (1,169.22 km) |
| Portici to Czluchow | 898.70 mi (1,446.32 km) |
| Portici to Dabrowa Gornicza | 696.71 mi (1,121.24 km) |
