| Barstow to Cadiz | 5,794.98 mi (9,326.13 km) |
| Barstow to Calafell | 5,897.88 mi (9,491.72 km) |
| Barstow to Calahorra | 5,712.31 mi (9,193.07 km) |
| Barstow to Calasparra | 5,909.93 mi (9,511.11 km) |
| Barstow to Calatayud | 5,768.74 mi (9,283.88 km) |
| Barstow to Caldas de Montbuy | 5,899.49 mi (9,494.32 km) |
| Barstow to Caldas de Reyes | 5,436.44 mi (8,749.10 km) |
| Barstow to Calella | 5,918.64 mi (9,525.14 km) |
| Barstow to Callosa de Segura | 5,947.96 mi (9,572.32 km) |
| Barstow to Calpe | 5,960.27 mi (9,592.12 km) |
| Barstow to Calvia | 6,011.83 mi (9,675.11 km) |
| Barstow to Camas | 5,768.11 mi (9,282.88 km) |
| Barstow to Cambados | 5,434.21 mi (8,745.52 km) |
| Barstow to Cambre | 5,420.09 mi (8,722.80 km) |
| Barstow to Cambrils | 5,884.89 mi (9,470.82 km) |
