| Grays to Chojnice | 737.07 mi (1,186.19 km) |
| Grays to Chojnow | 671.90 mi (1,081.32 km) |
| Grays to Chorzow | 813.42 mi (1,309.07 km) |
| Grays to Choszczno | 646.51 mi (1,040.45 km) |
| Grays to Chrzanow | 835.43 mi (1,344.50 km) |
| Grays to Ciechanow | 862.79 mi (1,388.53 km) |
| Grays to Ciechocinek | 785.64 mi (1,264.36 km) |
| Grays to Cieszyn | 809.11 mi (1,302.13 km) |
| Grays to Czarna Bialostocka | 971.80 mi (1,563.96 km) |
| Grays to Czarnkow | 693.26 mi (1,115.70 km) |
| Grays to Czechowice-Dziedzice | 822.23 mi (1,323.25 km) |
| Grays to Czeladz | 818.64 mi (1,317.48 km) |
| Grays to Czersk Pomorski | 754.88 mi (1,214.87 km) |
| Grays to Czestochowa | 813.55 mi (1,309.28 km) |
| Grays to Czluchow | 729.39 mi (1,173.84 km) |
