| Webster Groves to Carpentras | 4,671.89 mi (7,518.67 km) |
| Webster Groves to Carquefou | 4,286.47 mi (6,898.40 km) |
| Webster Groves to Carqueiranne | 4,751.12 mi (7,646.19 km) |
| Webster Groves to Carrieres-sous-Poissy | 4,375.45 mi (7,041.61 km) |
| Webster Groves to Carrieres-sur-Seine | 4,386.62 mi (7,059.58 km) |
| Webster Groves to Carros | 4,771.83 mi (7,679.52 km) |
| Webster Groves to Carvin | 4,359.59 mi (7,016.09 km) |
| Webster Groves to Castanet-Tolosan | 4,541.13 mi (7,308.24 km) |
| Webster Groves to Castelginest | 4,532.00 mi (7,293.55 km) |
| Webster Groves to Castelnau-le-Lez | 4,639.19 mi (7,466.06 km) |
| Webster Groves to Castelnaudary | 4,567.76 mi (7,351.11 km) |
| Webster Groves to Castelsarrasin | 4,505.81 mi (7,251.40 km) |
| Webster Groves to Castres | 4,570.31 mi (7,355.21 km) |
| Webster Groves to Caudebec-les-Elbeuf | 4,324.04 mi (6,958.87 km) |
| Webster Groves to Caudry | 4,389.47 mi (7,064.16 km) |
