| Portet-sur-Garonne to Chojnow | 862.26 mi (1,387.68 km) |
| Portet-sur-Garonne to Chorzow | 947.96 mi (1,525.59 km) |
| Portet-sur-Garonne to Choszczno | 923.15 mi (1,485.67 km) |
| Portet-sur-Garonne to Chrzanow | 962.05 mi (1,548.26 km) |
| Portet-sur-Garonne to Ciechanow | 1,090.30 mi (1,754.66 km) |
| Portet-sur-Garonne to Ciechocinek | 1,024.32 mi (1,648.48 km) |
| Portet-sur-Garonne to Cieszyn | 920.65 mi (1,481.64 km) |
| Portet-sur-Garonne to Czarna Bialostocka | 1,201.89 mi (1,934.26 km) |
| Portet-sur-Garonne to Czarnkow | 948.87 mi (1,527.06 km) |
| Portet-sur-Garonne to Czechowice-Dziedzice | 940.23 mi (1,513.16 km) |
| Portet-sur-Garonne to Czeladz | 954.27 mi (1,535.75 km) |
| Portet-sur-Garonne to Czersk Pomorski | 1,032.31 mi (1,661.34 km) |
| Portet-sur-Garonne to Czestochowa | 968.51 mi (1,558.66 km) |
| Portet-sur-Garonne to Czluchow | 1,007.26 mi (1,621.03 km) |
| Portet-sur-Garonne to Dabrowa Gornicza | 958.18 mi (1,542.05 km) |
