| Webster Groves to Chojnice | 4,758.86 mi (7,658.65 km) |
| Webster Groves to Chojnow | 4,805.58 mi (7,733.84 km) |
| Webster Groves to Chorzow | 4,950.58 mi (7,967.20 km) |
| Webster Groves to Choszczno | 4,710.18 mi (7,580.30 km) |
| Webster Groves to Chrzanow | 4,973.29 mi (8,003.73 km) |
| Webster Groves to Ciechanow | 4,894.50 mi (7,876.94 km) |
| Webster Groves to Ciechocinek | 4,833.66 mi (7,779.02 km) |
| Webster Groves to Cieszyn | 4,963.55 mi (7,988.06 km) |
| Webster Groves to Czarna Bialostocka | 4,959.12 mi (7,980.93 km) |
| Webster Groves to Czarnkow | 4,759.60 mi (7,659.83 km) |
| Webster Groves to Czechowice-Dziedzice | 4,969.37 mi (7,997.43 km) |
| Webster Groves to Czeladz | 4,953.70 mi (7,972.22 km) |
| Webster Groves to Czersk Pomorski | 4,768.77 mi (7,674.59 km) |
| Webster Groves to Czestochowa | 4,934.54 mi (7,941.38 km) |
| Webster Groves to Czluchow | 4,754.26 mi (7,651.25 km) |
