| Portalegre to Chojnice | 1,534.03 mi (2,468.78 km) |
| Portalegre to Chojnow | 1,393.50 mi (2,242.62 km) |
| Portalegre to Chorzow | 1,487.07 mi (2,393.21 km) |
| Portalegre to Choszczno | 1,439.86 mi (2,317.24 km) |
| Portalegre to Chrzanow | 1,501.82 mi (2,416.95 km) |
| Portalegre to Ciechanow | 1,621.24 mi (2,609.13 km) |
| Portalegre to Ciechocinek | 1,551.98 mi (2,497.67 km) |
| Portalegre to Cieszyn | 1,460.83 mi (2,350.97 km) |
| Portalegre to Czarna Bialostocka | 1,734.25 mi (2,791.00 km) |
| Portalegre to Czarnkow | 1,471.17 mi (2,367.63 km) |
| Portalegre to Czechowice-Dziedzice | 1,480.27 mi (2,382.26 km) |
| Portalegre to Czeladz | 1,493.39 mi (2,403.37 km) |
| Portalegre to Czersk Pomorski | 1,552.23 mi (2,498.08 km) |
| Portalegre to Czestochowa | 1,506.28 mi (2,424.13 km) |
| Portalegre to Czluchow | 1,526.39 mi (2,456.49 km) |
