| Webster Groves to Cabestany | 4,633.43 mi (7,456.78 km) |
| Webster Groves to Cabries | 4,708.81 mi (7,578.10 km) |
| Webster Groves to Cachan | 4,392.34 mi (7,068.79 km) |
| Webster Groves to Caen | 4,271.85 mi (6,874.87 km) |
| Webster Groves to Cagnes-sur-Mer | 4,774.16 mi (7,683.27 km) |
| Webster Groves to Cahors | 4,505.69 mi (7,251.20 km) |
| Webster Groves to Calais | 4,302.24 mi (6,923.79 km) |
| Webster Groves to Caluire-et-Cuire | 4,599.28 mi (7,401.82 km) |
| Webster Groves to Cambrai | 4,380.92 mi (7,050.41 km) |
| Webster Groves to Canet-en-Roussillon | 4,635.28 mi (7,459.76 km) |
| Webster Groves to Cannes | 4,772.87 mi (7,681.20 km) |
| Webster Groves to Canteleu | 4,319.06 mi (6,950.85 km) |
| Webster Groves to Capbreton | 4,410.01 mi (7,097.23 km) |
| Webster Groves to Carcassonne | 4,588.66 mi (7,384.74 km) |
| Webster Groves to Carmaux | 4,550.29 mi (7,322.98 km) |
