| Circleville to Cadiz | 4,041.47 mi (6,504.12 km) |
| Circleville to Calafell | 4,256.90 mi (6,850.82 km) |
| Circleville to Calahorra | 4,060.40 mi (6,534.58 km) |
| Circleville to Calasparra | 4,205.92 mi (6,768.77 km) |
| Circleville to Calatayud | 4,105.91 mi (6,607.82 km) |
| Circleville to Caldas de Montbuy | 4,269.25 mi (6,870.70 km) |
| Circleville to Caldas de Reyes | 3,744.45 mi (6,026.12 km) |
| Circleville to Calella | 4,292.12 mi (6,907.49 km) |
| Circleville to Callosa de Segura | 4,248.36 mi (6,837.08 km) |
| Circleville to Calpe | 4,273.85 mi (6,878.09 km) |
| Circleville to Calvia | 4,355.95 mi (7,010.23 km) |
| Circleville to Camas | 4,025.95 mi (6,479.15 km) |
| Circleville to Cambados | 3,739.80 mi (6,018.63 km) |
| Circleville to Cambre | 3,739.70 mi (6,018.46 km) |
| Circleville to Cambrils | 4,238.12 mi (6,820.59 km) |
