| Webster Groves to Conyers (Georgia) | 491.23 mi (790.55 km) |
| Webster Groves to Cookeville (Tennessee) | 314.77 mi (506.57 km) |
| Webster Groves to Coolidge (Arizona) | 1,246.15 mi (2,005.48 km) |
| Webster Groves to Coon Rapids (Minnesota) | 479.86 mi (772.27 km) |
| Webster Groves to Cooper City (Florida) | 1,045.49 mi (1,682.56 km) |
| Webster Groves to Coos Bay (Oregon) | 1,785.09 mi (2,872.82 km) |
| Webster Groves to Copiague (New York) | 912.58 mi (1,468.66 km) |
| Webster Groves to Coppell (Texas) | 537.55 mi (865.11 km) |
| Webster Groves to Copperas Cove (Texas) | 670.22 mi (1,078.62 km) |
| Webster Groves to Coral Gables (Florida) | 1,066.20 mi (1,715.89 km) |
| Webster Groves to Coral Springs (Florida) | 1,033.24 mi (1,662.83 km) |
| Webster Groves to Coral Terrace (Florida) | 1,062.60 mi (1,710.10 km) |
| Webster Groves to Coralville (Iowa) | 224.83 mi (361.82 km) |
| Webster Groves to Coram (New York) | 933.72 mi (1,502.68 km) |
| Webster Groves to Corcoran (California) | 1,607.00 mi (2,586.22 km) |
