| Duncan to Chojnice | 5,229.40 mi (8,415.91 km) |
| Duncan to Chojnow | 5,283.97 mi (8,503.73 km) |
| Duncan to Chorzow | 5,427.65 mi (8,734.96 km) |
| Duncan to Choszczno | 5,184.60 mi (8,343.81 km) |
| Duncan to Chrzanow | 5,450.17 mi (8,771.21 km) |
| Duncan to Ciechanow | 5,363.26 mi (8,631.33 km) |
| Duncan to Ciechocinek | 5,304.76 mi (8,537.19 km) |
| Duncan to Cieszyn | 5,442.22 mi (8,758.40 km) |
| Duncan to Czarna Bialostocka | 5,423.08 mi (8,727.60 km) |
| Duncan to Czarnkow | 5,233.36 mi (8,422.27 km) |
| Duncan to Czechowice-Dziedzice | 5,447.23 mi (8,766.47 km) |
| Duncan to Czeladz | 5,430.53 mi (8,739.60 km) |
| Duncan to Czersk Pomorski | 5,238.55 mi (8,430.63 km) |
| Duncan to Czestochowa | 5,410.26 mi (8,706.98 km) |
| Duncan to Czluchow | 5,225.11 mi (8,409.01 km) |
