| Widnes to Campo de Criptana | 964.92 mi (1,552.89 km) |
| Widnes to Campos del Puerto | 1,000.02 mi (1,609.38 km) |
| Widnes to Canals | 1,000.23 mi (1,609.71 km) |
| Widnes to Candelaria | 1,861.83 mi (2,996.33 km) |
| Widnes to Canet de Mar | 849.73 mi (1,367.51 km) |
| Widnes to Cangas | 815.95 mi (1,313.15 km) |
| Widnes to Cangas de Narcea | 725.39 mi (1,167.40 km) |
| Widnes to Canovellas | 844.03 mi (1,358.33 km) |
| Widnes to Canteras | 1,091.25 mi (1,756.20 km) |
| Widnes to Cantillana | 1,099.08 mi (1,768.80 km) |
| Widnes to Capdepera | 987.49 mi (1,589.21 km) |
| Widnes to Carballo | 751.96 mi (1,210.16 km) |
| Widnes to Carcagente | 989.82 mi (1,592.96 km) |
| Widnes to Cardedeu | 843.49 mi (1,357.46 km) |
| Widnes to Carlet | 982.29 mi (1,580.84 km) |
