| Idanha-a-Nova to Chojnice | 1,496.62 mi (2,408.58 km) |
| Idanha-a-Nova to Chojnow | 1,357.89 mi (2,185.31 km) |
| Idanha-a-Nova to Chorzow | 1,453.48 mi (2,339.15 km) |
| Idanha-a-Nova to Choszczno | 1,402.27 mi (2,256.74 km) |
| Idanha-a-Nova to Chrzanow | 1,468.55 mi (2,363.41 km) |
| Idanha-a-Nova to Ciechanow | 1,585.39 mi (2,551.43 km) |
| Idanha-a-Nova to Ciechocinek | 1,515.63 mi (2,439.18 km) |
| Idanha-a-Nova to Cieszyn | 1,427.82 mi (2,297.85 km) |
| Idanha-a-Nova to Czarna Bialostocka | 1,698.60 mi (2,733.63 km) |
| Idanha-a-Nova to Czarnkow | 1,434.17 mi (2,308.07 km) |
| Idanha-a-Nova to Czechowice-Dziedzice | 1,447.16 mi (2,328.98 km) |
| Idanha-a-Nova to Czeladz | 1,459.79 mi (2,349.31 km) |
| Idanha-a-Nova to Czersk Pomorski | 1,514.87 mi (2,437.95 km) |
| Idanha-a-Nova to Czestochowa | 1,472.16 mi (2,369.22 km) |
| Idanha-a-Nova to Czluchow | 1,488.96 mi (2,396.26 km) |
