| Webster Groves to Cehegin | 4,588.06 mi (7,383.77 km) |
| Webster Groves to Cervello | 4,637.73 mi (7,463.70 km) |
| Webster Groves to Cervera | 4,597.68 mi (7,399.25 km) |
| Webster Groves to Ceuti | 4,612.95 mi (7,423.83 km) |
| Webster Groves to Cheste | 4,589.20 mi (7,385.60 km) |
| Webster Groves to Chiclana de la Frontera | 4,442.17 mi (7,148.99 km) |
| Webster Groves to Chipiona | 4,417.58 mi (7,109.41 km) |
| Webster Groves to Chiva | 4,587.89 mi (7,383.50 km) |
| Webster Groves to Churriana de la Vega | 4,535.28 mi (7,298.83 km) |
| Webster Groves to Ciempozuelos | 4,431.34 mi (7,131.55 km) |
| Webster Groves to Cieza | 4,600.35 mi (7,403.55 km) |
| Webster Groves to Cisterniga | 4,333.55 mi (6,974.18 km) |
| Webster Groves to Ciudad de Melilla | 4,636.17 mi (7,461.20 km) |
| Webster Groves to Ciudad Real | 4,458.25 mi (7,174.85 km) |
| Webster Groves to Ciudad-Rodrigo | 4,282.29 mi (6,891.69 km) |
