| North Potomac to Chojnice | 4,281.93 mi (6,891.10 km) |
| North Potomac to Chojnow | 4,303.52 mi (6,925.85 km) |
| North Potomac to Chorzow | 4,451.02 mi (7,163.23 km) |
| North Potomac to Choszczno | 4,222.02 mi (6,794.68 km) |
| North Potomac to Chrzanow | 4,474.00 mi (7,200.21 km) |
| North Potomac to Ciechanow | 4,421.00 mi (7,114.91 km) |
| North Potomac to Ciechocinek | 4,354.01 mi (7,007.10 km) |
| North Potomac to Cieszyn | 4,458.69 mi (7,175.57 km) |
| North Potomac to Czarna Bialostocka | 4,498.46 mi (7,239.57 km) |
| North Potomac to Czarnkow | 4,272.85 mi (6,876.48 km) |
| North Potomac to Czechowice-Dziedzice | 4,467.04 mi (7,189.01 km) |
| North Potomac to Czeladz | 4,454.86 mi (7,169.40 km) |
| North Potomac to Czersk Pomorski | 4,293.98 mi (6,910.50 km) |
| North Potomac to Czestochowa | 4,439.42 mi (7,144.55 km) |
| North Potomac to Czluchow | 4,276.46 mi (6,882.30 km) |
