| Portales to Chojnice | 5,416.66 mi (8,717.28 km) |
| Portales to Chojnow | 5,482.04 mi (8,822.49 km) |
| Portales to Chorzow | 5,623.31 mi (9,049.85 km) |
| Portales to Choszczno | 5,377.32 mi (8,653.96 km) |
| Portales to Chrzanow | 5,645.51 mi (9,085.57 km) |
| Portales to Ciechanow | 5,547.65 mi (8,928.08 km) |
| Portales to Ciechocinek | 5,492.51 mi (8,839.33 km) |
| Portales to Cieszyn | 5,640.19 mi (9,077.00 km) |
| Portales to Czarna Bialostocka | 5,601.05 mi (9,014.02 km) |
| Portales to Czarnkow | 5,424.98 mi (8,730.66 km) |
| Portales to Czechowice-Dziedzice | 5,643.99 mi (9,083.13 km) |
| Portales to Czeladz | 5,625.84 mi (9,053.92 km) |
| Portales to Czersk Pomorski | 5,424.75 mi (8,730.30 km) |
| Portales to Czestochowa | 5,604.05 mi (9,018.85 km) |
| Portales to Czluchow | 5,412.81 mi (8,711.07 km) |
