| Markham to Chojnice | 4,508.15 mi (7,255.17 km) |
| Markham to Chojnow | 4,556.00 mi (7,332.17 km) |
| Markham to Chorzow | 4,700.78 mi (7,565.17 km) |
| Markham to Choszczno | 4,459.92 mi (7,177.56 km) |
| Markham to Chrzanow | 4,723.45 mi (7,601.66 km) |
| Markham to Ciechanow | 4,643.64 mi (7,473.22 km) |
| Markham to Ciechocinek | 4,583.01 mi (7,375.64 km) |
| Markham to Cieszyn | 4,714.04 mi (7,586.51 km) |
| Markham to Czarna Bialostocka | 4,707.95 mi (7,576.71 km) |
| Markham to Czarnkow | 4,509.26 mi (7,256.95 km) |
| Markham to Czechowice-Dziedzice | 4,719.71 mi (7,595.63 km) |
| Markham to Czeladz | 4,703.85 mi (7,570.12 km) |
| Markham to Czersk Pomorski | 4,517.98 mi (7,270.99 km) |
| Markham to Czestochowa | 4,684.51 mi (7,538.99 km) |
| Markham to Czluchow | 4,503.58 mi (7,247.81 km) |
