| Webster Groves to Cernavoda | 5,541.75 mi (8,918.59 km) |
| Webster Groves to Chitila | 5,461.98 mi (8,790.20 km) |
| Webster Groves to Cisnadie | 5,339.94 mi (8,593.80 km) |
| Webster Groves to Cluj-Napoca | 5,270.49 mi (8,482.03 km) |
| Webster Groves to Codlea | 5,385.89 mi (8,667.75 km) |
| Webster Groves to Comanesti | 5,385.13 mi (8,666.54 km) |
| Webster Groves to Comarnic | 5,413.98 mi (8,712.96 km) |
| Webster Groves to Constanta | 5,570.90 mi (8,965.50 km) |
| Webster Groves to Corabia | 5,444.63 mi (8,762.29 km) |
| Webster Groves to Costesti | 5,415.30 mi (8,715.08 km) |
| Webster Groves to Covasna | 5,404.17 mi (8,697.18 km) |
| Webster Groves to Craiova | 5,393.28 mi (8,679.65 km) |
| Webster Groves to Cristuru Secuiesc | 5,343.29 mi (8,599.19 km) |
| Webster Groves to Cugir | 5,306.01 mi (8,539.19 km) |
| Webster Groves to Cumpana | 5,570.92 mi (8,965.54 km) |
