| Holzminden to Cartagena | 1,105.99 mi (1,779.91 km) |
| Holzminden to Cartama | 1,250.69 mi (2,012.79 km) |
| Holzminden to Cartaya | 1,289.01 mi (2,074.47 km) |
| Holzminden to Caspe | 858.13 mi (1,381.03 km) |
| Holzminden to Cassa de la Selva | 753.03 mi (1,211.89 km) |
| Holzminden to Castalla | 1,036.28 mi (1,667.72 km) |
| Holzminden to Castellbisbal | 797.17 mi (1,282.92 km) |
| Holzminden to Castelldefels | 809.75 mi (1,303.16 km) |
| Holzminden to Castello de Ampurias | 725.55 mi (1,167.66 km) |
| Holzminden to Castellon de la Plana | 935.10 mi (1,504.89 km) |
| Holzminden to Castilleja de la Cuesta | 1,250.46 mi (2,012.42 km) |
| Holzminden to Catarroja | 979.79 mi (1,576.81 km) |
| Holzminden to Catral | 1,066.77 mi (1,716.80 km) |
| Holzminden to Caudete | 1,036.84 mi (1,668.63 km) |
| Holzminden to Cehegin | 1,094.05 mi (1,760.71 km) |
