| Webster Groves to Casamassima | 5,285.45 mi (8,506.11 km) |
| Webster Groves to Casandrino | 5,178.24 mi (8,333.57 km) |
| Webster Groves to Casapulla | 5,173.87 mi (8,326.54 km) |
| Webster Groves to Casarano | 5,377.25 mi (8,653.85 km) |
| Webster Groves to Casatenovo | 4,783.00 mi (7,697.50 km) |
| Webster Groves to Casciana Terme | 4,921.96 mi (7,921.13 km) |
| Webster Groves to Cascina | 4,912.88 mi (7,906.51 km) |
| Webster Groves to Caselle Torinese | 4,736.34 mi (7,622.40 km) |
| Webster Groves to Caserta | 5,175.91 mi (8,329.82 km) |
| Webster Groves to Casier | 4,902.59 mi (7,889.96 km) |
| Webster Groves to Casorate Primo | 4,786.15 mi (7,702.56 km) |
| Webster Groves to Casoria | 5,181.71 mi (8,339.16 km) |
| Webster Groves to Cassano al Ionio | 5,312.79 mi (8,550.11 km) |
| Webster Groves to Cassano d'Adda | 4,797.63 mi (7,721.04 km) |
| Webster Groves to Cassano delle Murge | 5,282.39 mi (8,501.18 km) |
