| Euclid to Cadiz | 3,920.25 mi (6,309.03 km) |
| Euclid to Calafell | 4,122.88 mi (6,635.13 km) |
| Euclid to Calahorra | 3,926.88 mi (6,319.71 km) |
| Euclid to Calasparra | 4,078.41 mi (6,563.56 km) |
| Euclid to Calatayud | 3,973.60 mi (6,394.89 km) |
| Euclid to Caldas de Montbuy | 4,134.29 mi (6,653.49 km) |
| Euclid to Caldas de Reyes | 3,614.29 mi (5,816.64 km) |
| Euclid to Calella | 4,156.88 mi (6,689.85 km) |
| Euclid to Callosa de Segura | 4,120.44 mi (6,631.20 km) |
| Euclid to Calpe | 4,144.48 mi (6,669.90 km) |
| Euclid to Calvia | 4,223.61 mi (6,797.25 km) |
| Euclid to Camas | 3,903.01 mi (6,281.28 km) |
| Euclid to Cambados | 3,609.90 mi (5,809.58 km) |
| Euclid to Cambre | 3,608.22 mi (5,806.86 km) |
| Euclid to Cambrils | 4,104.59 mi (6,605.69 km) |
