| Ashtabula to Cernavoda | 5,034.28 mi (8,101.90 km) |
| Ashtabula to Chitila | 4,951.08 mi (7,968.00 km) |
| Ashtabula to Cisnadie | 4,829.13 mi (7,771.73 km) |
| Ashtabula to Cluj-Napoca | 4,761.76 mi (7,663.30 km) |
| Ashtabula to Codlea | 4,877.38 mi (7,849.39 km) |
| Ashtabula to Comanesti | 4,880.68 mi (7,854.70 km) |
| Ashtabula to Comarnic | 4,904.54 mi (7,893.09 km) |
| Ashtabula to Constanta | 5,064.13 mi (8,149.93 km) |
| Ashtabula to Corabia | 4,929.08 mi (7,932.59 km) |
| Ashtabula to Costesti | 4,902.85 mi (7,890.37 km) |
| Ashtabula to Covasna | 4,897.50 mi (7,881.76 km) |
| Ashtabula to Craiova | 4,878.04 mi (7,850.45 km) |
| Ashtabula to Cristuru Secuiesc | 4,835.77 mi (7,782.42 km) |
| Ashtabula to Cugir | 4,794.19 mi (7,715.50 km) |
| Ashtabula to Cumpana | 5,063.85 mi (8,149.47 km) |
