| Northeim to Cartagena | 1,111.38 mi (1,788.59 km) |
| Northeim to Cartama | 1,259.22 mi (2,026.51 km) |
| Northeim to Cartaya | 1,300.10 mi (2,092.32 km) |
| Northeim to Caspe | 865.22 mi (1,392.44 km) |
| Northeim to Cassa de la Selva | 756.60 mi (1,217.63 km) |
| Northeim to Castalla | 1,041.99 mi (1,676.92 km) |
| Northeim to Castellbisbal | 801.72 mi (1,290.25 km) |
| Northeim to Castelldefels | 814.14 mi (1,310.23 km) |
| Northeim to Castello de Ampurias | 729.13 mi (1,173.43 km) |
| Northeim to Castellon de la Plana | 941.09 mi (1,514.55 km) |
| Northeim to Castilleja de la Cuesta | 1,260.70 mi (2,028.91 km) |
| Northeim to Catarroja | 985.78 mi (1,586.46 km) |
| Northeim to Catral | 1,072.34 mi (1,725.76 km) |
| Northeim to Caudete | 1,042.99 mi (1,678.53 km) |
| Northeim to Cehegin | 1,100.68 mi (1,771.37 km) |
