| Greenock to Chojnice | 897.60 mi (1,444.55 km) |
| Greenock to Chojnow | 903.85 mi (1,454.61 km) |
| Greenock to Chorzow | 1,051.37 mi (1,692.01 km) |
| Greenock to Choszczno | 827.90 mi (1,332.37 km) |
| Greenock to Chrzanow | 1,074.35 mi (1,729.00 km) |
| Greenock to Ciechanow | 1,037.05 mi (1,668.97 km) |
| Greenock to Ciechocinek | 965.09 mi (1,553.17 km) |
| Greenock to Cieszyn | 1,059.47 mi (1,705.06 km) |
| Greenock to Czarna Bialostocka | 1,128.69 mi (1,816.45 km) |
| Greenock to Czarnkow | 879.10 mi (1,414.78 km) |
| Greenock to Czechowice-Dziedzice | 1,067.47 mi (1,717.92 km) |
| Greenock to Czeladz | 1,055.24 mi (1,698.24 km) |
| Greenock to Czersk Pomorski | 911.94 mi (1,467.62 km) |
| Greenock to Czestochowa | 1,040.38 mi (1,674.34 km) |
| Greenock to Czluchow | 891.26 mi (1,434.35 km) |
