| Lake Ronkonkoma to Chojnice | 4,045.46 mi (6,510.54 km) |
| Lake Ronkonkoma to Chojnow | 4,063.28 mi (6,539.21 km) |
| Lake Ronkonkoma to Chorzow | 4,210.90 mi (6,776.80 km) |
| Lake Ronkonkoma to Choszczno | 3,983.92 mi (6,411.51 km) |
| Lake Ronkonkoma to Chrzanow | 4,233.89 mi (6,813.79 km) |
| Lake Ronkonkoma to Ciechanow | 4,184.81 mi (6,734.80 km) |
| Lake Ronkonkoma to Ciechocinek | 4,116.98 mi (6,625.63 km) |
| Lake Ronkonkoma to Cieszyn | 4,217.84 mi (6,787.95 km) |
| Lake Ronkonkoma to Czarna Bialostocka | 4,264.19 mi (6,862.55 km) |
| Lake Ronkonkoma to Czarnkow | 4,034.87 mi (6,493.50 km) |
| Lake Ronkonkoma to Czechowice-Dziedzice | 4,226.52 mi (6,801.93 km) |
| Lake Ronkonkoma to Czeladz | 4,214.83 mi (6,783.12 km) |
| Lake Ronkonkoma to Czersk Pomorski | 4,057.83 mi (6,530.45 km) |
| Lake Ronkonkoma to Czestochowa | 4,199.94 mi (6,759.16 km) |
| Lake Ronkonkoma to Czluchow | 4,039.86 mi (6,501.53 km) |
