| Heerlen to Campos del Puerto | 804.20 mi (1,294.23 km) |
| Heerlen to Canals | 883.33 mi (1,421.58 km) |
| Heerlen to Candelaria | 1,942.89 mi (3,126.78 km) |
| Heerlen to Canet de Mar | 662.09 mi (1,065.53 km) |
| Heerlen to Cangas | 917.05 mi (1,475.85 km) |
| Heerlen to Cangas de Narcea | 792.88 mi (1,276.01 km) |
| Heerlen to Canovellas | 663.96 mi (1,068.54 km) |
| Heerlen to Canteras | 979.59 mi (1,576.49 km) |
| Heerlen to Cantillana | 1,084.90 mi (1,745.98 km) |
| Heerlen to Capdepera | 782.44 mi (1,259.22 km) |
| Heerlen to Carballo | 867.62 mi (1,396.30 km) |
| Heerlen to Carcagente | 870.43 mi (1,400.82 km) |
| Heerlen to Cardedeu | 661.44 mi (1,064.49 km) |
| Heerlen to Carlet | 864.89 mi (1,391.90 km) |
| Heerlen to Carmona | 1,088.27 mi (1,751.40 km) |
