| Groslay to Chojnow | 621.19 mi (999.70 km) |
| Groslay to Chorzow | 746.88 mi (1,201.99 km) |
| Groslay to Choszczno | 635.44 mi (1,022.64 km) |
| Groslay to Chrzanow | 766.79 mi (1,234.02 km) |
| Groslay to Ciechanow | 837.66 mi (1,348.08 km) |
| Groslay to Ciechocinek | 762.65 mi (1,227.36 km) |
| Groslay to Cieszyn | 733.33 mi (1,180.19 km) |
| Groslay to Czarna Bialostocka | 951.25 mi (1,530.89 km) |
| Groslay to Czarnkow | 674.14 mi (1,084.92 km) |
| Groslay to Czechowice-Dziedzice | 749.60 mi (1,206.36 km) |
| Groslay to Czeladz | 752.79 mi (1,211.50 km) |
| Groslay to Czersk Pomorski | 749.09 mi (1,205.55 km) |
| Groslay to Czestochowa | 755.28 mi (1,215.51 km) |
| Groslay to Czluchow | 722.79 mi (1,163.22 km) |
| Groslay to Dabrowa Gornicza | 757.36 mi (1,218.86 km) |
