| Kyustendil to Cartagena | 1,290.08 mi (2,076.18 km) |
| Kyustendil to Cartama | 1,499.14 mi (2,412.64 km) |
| Kyustendil to Cartaya | 1,612.48 mi (2,595.04 km) |
| Kyustendil to Caspe | 1,169.60 mi (1,882.29 km) |
| Kyustendil to Cassa de la Selva | 1,013.82 mi (1,631.58 km) |
| Kyustendil to Castalla | 1,250.04 mi (2,011.74 km) |
| Kyustendil to Castellbisbal | 1,063.76 mi (1,711.96 km) |
| Kyustendil to Castelldefels | 1,066.46 mi (1,716.31 km) |
| Kyustendil to Castello de Ampurias | 1,000.31 mi (1,609.84 km) |
| Kyustendil to Castellon de la Plana | 1,189.19 mi (1,913.81 km) |
| Kyustendil to Castilleja de la Cuesta | 1,553.76 mi (2,500.54 km) |
| Kyustendil to Catarroja | 1,219.20 mi (1,962.11 km) |
| Kyustendil to Catral | 1,267.12 mi (2,039.23 km) |
| Kyustendil to Caudete | 1,263.80 mi (2,033.89 km) |
| Kyustendil to Cehegin | 1,319.36 mi (2,123.30 km) |
