| Preakness to Cadiz | 3,580.23 mi (5,761.82 km) |
| Preakness to Calafell | 3,812.10 mi (6,134.98 km) |
| Preakness to Calahorra | 3,614.94 mi (5,817.69 km) |
| Preakness to Calasparra | 3,751.07 mi (6,036.77 km) |
| Preakness to Calatayud | 3,658.26 mi (5,887.40 km) |
| Preakness to Caldas de Montbuy | 3,826.26 mi (6,157.77 km) |
| Preakness to Caldas de Reyes | 3,293.85 mi (5,300.93 km) |
| Preakness to Calella | 3,849.62 mi (6,195.37 km) |
| Preakness to Callosa de Segura | 3,794.01 mi (6,105.87 km) |
| Preakness to Calpe | 3,821.41 mi (6,149.97 km) |
| Preakness to Calvia | 3,908.03 mi (6,289.37 km) |
| Preakness to Camas | 3,566.25 mi (5,739.33 km) |
| Preakness to Cambados | 3,288.79 mi (5,292.80 km) |
| Preakness to Cambre | 3,291.18 mi (5,296.65 km) |
| Preakness to Cambrils | 3,792.43 mi (6,103.33 km) |
