| Seclin to Campos del Puerto | 768.16 mi (1,236.23 km) |
| Seclin to Canals | 819.74 mi (1,319.25 km) |
| Seclin to Candelaria | 1,837.81 mi (2,957.67 km) |
| Seclin to Canet de Mar | 619.25 mi (996.59 km) |
| Seclin to Cangas | 800.81 mi (1,288.78 km) |
| Seclin to Cangas de Narcea | 680.18 mi (1,094.64 km) |
| Seclin to Canovellas | 618.08 mi (994.71 km) |
| Seclin to Canteras | 916.01 mi (1,474.18 km) |
| Seclin to Cantillana | 994.93 mi (1,601.18 km) |
| Seclin to Capdepera | 749.80 mi (1,206.69 km) |
| Seclin to Carballo | 748.43 mi (1,204.48 km) |
| Seclin to Carcagente | 807.41 mi (1,299.41 km) |
| Seclin to Cardedeu | 616.29 mi (991.83 km) |
| Seclin to Carlet | 801.10 mi (1,289.24 km) |
| Seclin to Carmona | 999.52 mi (1,608.57 km) |
