| Echelon to Chojnice | 4,162.88 mi (6,699.50 km) |
| Echelon to Chojnow | 4,181.87 mi (6,730.07 km) |
| Echelon to Chorzow | 4,329.47 mi (6,967.61 km) |
| Echelon to Choszczno | 4,101.86 mi (6,601.31 km) |
| Echelon to Chrzanow | 4,352.46 mi (7,004.60 km) |
| Echelon to Ciechanow | 4,302.14 mi (6,923.63 km) |
| Echelon to Ciechocinek | 4,234.58 mi (6,814.90 km) |
| Echelon to Cieszyn | 4,336.61 mi (6,979.11 km) |
| Echelon to Czarna Bialostocka | 4,380.89 mi (7,050.36 km) |
| Echelon to Czarnkow | 4,152.77 mi (6,683.24 km) |
| Echelon to Czechowice-Dziedzice | 4,345.20 mi (6,992.93 km) |
| Echelon to Czeladz | 4,333.37 mi (6,973.89 km) |
| Echelon to Czersk Pomorski | 4,175.15 mi (6,719.25 km) |
| Echelon to Czestochowa | 4,318.32 mi (6,949.66 km) |
| Echelon to Czluchow | 4,157.32 mi (6,690.57 km) |
