| North Adams to Chojnice | 3,953.95 mi (6,363.26 km) |
| North Adams to Chojnow | 3,976.71 mi (6,399.89 km) |
| North Adams to Chorzow | 4,124.13 mi (6,637.15 km) |
| North Adams to Choszczno | 3,894.41 mi (6,267.45 km) |
| North Adams to Chrzanow | 4,147.11 mi (6,674.13 km) |
| North Adams to Ciechanow | 4,092.97 mi (6,586.99 km) |
| North Adams to Ciechocinek | 4,026.13 mi (6,479.43 km) |
| North Adams to Cieszyn | 4,132.16 mi (6,650.07 km) |
| North Adams to Czarna Bialostocka | 4,170.23 mi (6,711.33 km) |
| North Adams to Czarnkow | 3,945.20 mi (6,349.18 km) |
| North Adams to Czechowice-Dziedzice | 4,140.34 mi (6,663.23 km) |
| North Adams to Czeladz | 4,127.92 mi (6,643.25 km) |
| North Adams to Czersk Pomorski | 3,965.95 mi (6,382.58 km) |
| North Adams to Czestochowa | 4,112.26 mi (6,618.04 km) |
| North Adams to Czluchow | 3,948.50 mi (6,354.50 km) |
