| Webster Groves to Cavaillon | 4,679.59 mi (7,531.07 km) |
| Webster Groves to Cebazat | 4,526.21 mi (7,284.23 km) |
| Webster Groves to Cenon | 4,407.57 mi (7,093.29 km) |
| Webster Groves to Cergy | 4,373.46 mi (7,038.40 km) |
| Webster Groves to Cernay | 4,618.25 mi (7,432.36 km) |
| Webster Groves to Cesson | 4,410.72 mi (7,098.36 km) |
| Webster Groves to Cesson-Sevigne | 4,255.57 mi (6,848.68 km) |
| Webster Groves to Cestas | 4,404.98 mi (7,089.13 km) |
| Webster Groves to Chalette-sur-Loing | 4,435.08 mi (7,137.57 km) |
| Webster Groves to Challans | 4,284.92 mi (6,895.91 km) |
| Webster Groves to Chalon-sur-Saone | 4,563.65 mi (7,344.49 km) |
| Webster Groves to Chalons-en-Champagne | 4,466.75 mi (7,188.53 km) |
| Webster Groves to Chamalieres | 4,526.90 mi (7,285.34 km) |
| Webster Groves to Chambery | 4,651.03 mi (7,485.11 km) |
| Webster Groves to Chambly | 4,376.39 mi (7,043.12 km) |
