| Ashtabula to Cadiz | 3,878.35 mi (6,241.60 km) |
| Ashtabula to Calafell | 4,080.68 mi (6,567.22 km) |
| Ashtabula to Calahorra | 3,884.68 mi (6,251.79 km) |
| Ashtabula to Calasparra | 4,036.26 mi (6,495.73 km) |
| Ashtabula to Calatayud | 3,931.39 mi (6,326.96 km) |
| Ashtabula to Caldas de Montbuy | 4,092.11 mi (6,585.61 km) |
| Ashtabula to Caldas de Reyes | 3,572.09 mi (5,748.73 km) |
| Ashtabula to Calella | 4,114.71 mi (6,621.98 km) |
| Ashtabula to Callosa de Segura | 4,078.28 mi (6,563.35 km) |
| Ashtabula to Calpe | 4,102.29 mi (6,602.00 km) |
| Ashtabula to Calvia | 4,181.40 mi (6,729.32 km) |
| Ashtabula to Camas | 3,861.02 mi (6,213.71 km) |
| Ashtabula to Cambados | 3,567.71 mi (5,741.67 km) |
| Ashtabula to Cambre | 3,566.01 mi (5,738.94 km) |
| Ashtabula to Cambrils | 4,062.39 mi (6,537.78 km) |
