| Foster City to Cadiz | 5,885.70 mi (9,472.12 km) |
| Foster City to Calafell | 5,943.57 mi (9,565.26 km) |
| Foster City to Calahorra | 5,764.54 mi (9,277.14 km) |
| Foster City to Calasparra | 5,978.70 mi (9,621.79 km) |
| Foster City to Calatayud | 5,824.02 mi (9,372.86 km) |
| Foster City to Caldas de Montbuy | 5,941.46 mi (9,561.86 km) |
| Foster City to Caldas de Reyes | 5,507.05 mi (8,862.74 km) |
| Foster City to Calella | 5,959.05 mi (9,590.17 km) |
| Foster City to Callosa de Segura | 6,014.50 mi (9,679.41 km) |
| Foster City to Calpe | 6,021.58 mi (9,690.80 km) |
| Foster City to Calvia | 6,061.16 mi (9,754.49 km) |
| Foster City to Camas | 5,854.23 mi (9,421.48 km) |
| Foster City to Cambados | 5,505.76 mi (8,860.66 km) |
| Foster City to Cambre | 5,486.71 mi (8,830.01 km) |
| Foster City to Cambrils | 5,932.81 mi (9,547.93 km) |
