| Niederkassel to Campos del Puerto | 810.36 mi (1,304.14 km) |
| Niederkassel to Canals | 898.88 mi (1,446.61 km) |
| Niederkassel to Candelaria | 1,972.72 mi (3,174.78 km) |
| Niederkassel to Canet de Mar | 671.70 mi (1,080.99 km) |
| Niederkassel to Cangas | 952.72 mi (1,533.25 km) |
| Niederkassel to Cangas de Narcea | 827.29 mi (1,331.40 km) |
| Niederkassel to Canovellas | 674.61 mi (1,085.68 km) |
| Niederkassel to Canteras | 994.74 mi (1,600.88 km) |
| Niederkassel to Cantillana | 1,109.59 mi (1,785.71 km) |
| Niederkassel to Capdepera | 787.54 mi (1,267.43 km) |
| Niederkassel to Carballo | 904.68 mi (1,455.94 km) |
| Niederkassel to Carcagente | 885.83 mi (1,425.61 km) |
| Niederkassel to Cardedeu | 671.86 mi (1,081.26 km) |
| Niederkassel to Carlet | 880.60 mi (1,417.19 km) |
| Niederkassel to Carmona | 1,112.49 mi (1,790.37 km) |
