| Upper Grand Lagoon to Chojnice | 5,064.55 mi (8,150.61 km) |
| Upper Grand Lagoon to Chojnow | 5,084.33 mi (8,182.44 km) |
| Upper Grand Lagoon to Chorzow | 5,231.94 mi (8,419.99 km) |
| Upper Grand Lagoon to Choszczno | 5,004.13 mi (8,053.36 km) |
| Upper Grand Lagoon to Chrzanow | 5,254.93 mi (8,456.98 km) |
| Upper Grand Lagoon to Ciechanow | 5,203.68 mi (8,374.52 km) |
| Upper Grand Lagoon to Ciechocinek | 5,136.50 mi (8,266.39 km) |
| Upper Grand Lagoon to Cieszyn | 5,238.97 mi (8,431.32 km) |
| Upper Grand Lagoon to Czarna Bialostocka | 5,281.28 mi (8,499.39 km) |
| Upper Grand Lagoon to Czarnkow | 5,055.01 mi (8,135.25 km) |
| Upper Grand Lagoon to Czechowice-Dziedzice | 5,247.63 mi (8,445.24 km) |
| Upper Grand Lagoon to Czeladz | 5,235.85 mi (8,426.28 km) |
| Upper Grand Lagoon to Czersk Pomorski | 5,076.67 mi (8,170.11 km) |
| Upper Grand Lagoon to Czestochowa | 5,220.79 mi (8,402.06 km) |
| Upper Grand Lagoon to Czluchow | 5,059.06 mi (8,141.77 km) |
