| Howard to Chojnice | 4,362.30 mi (7,020.44 km) |
| Howard to Chojnow | 4,417.41 mi (7,109.13 km) |
| Howard to Chorzow | 4,560.82 mi (7,339.94 km) |
| Howard to Choszczno | 4,317.52 mi (6,948.38 km) |
| Howard to Chrzanow | 4,583.32 mi (7,376.14 km) |
| Howard to Ciechanow | 4,496.30 mi (7,236.09 km) |
| Howard to Ciechocinek | 4,437.64 mi (7,141.69 km) |
| Howard to Cieszyn | 4,575.67 mi (7,363.83 km) |
| Howard to Czarna Bialostocka | 4,556.87 mi (7,333.57 km) |
| Howard to Czarnkow | 4,366.24 mi (7,026.78 km) |
| Howard to Czechowice-Dziedzice | 4,580.53 mi (7,371.65 km) |
| Howard to Czeladz | 4,563.67 mi (7,344.52 km) |
| Howard to Czersk Pomorski | 4,371.49 mi (7,035.23 km) |
| Howard to Czestochowa | 4,543.27 mi (7,311.69 km) |
| Howard to Czluchow | 4,358.00 mi (7,013.52 km) |
