| Knottingley to Cividale del Friuli | 835.69 mi (1,344.92 km) |
| Knottingley to Civita Castellana | 1,006.43 mi (1,619.69 km) |
| Knottingley to Civitanova Marche | 989.71 mi (1,592.79 km) |
| Knottingley to Civitavecchia | 1,000.77 mi (1,610.58 km) |
| Knottingley to Civitella in Val di Chiana | 922.71 mi (1,484.96 km) |
| Knottingley to Clusone | 734.22 mi (1,181.62 km) |
| Knottingley to Coccaglio | 752.47 mi (1,210.98 km) |
| Knottingley to Codigoro | 856.87 mi (1,379.00 km) |
| Knottingley to Codogno | 766.90 mi (1,234.20 km) |
| Knottingley to Codroipo | 826.95 mi (1,330.85 km) |
| Knottingley to Cogoleto | 782.68 mi (1,259.61 km) |
| Knottingley to Colle di Val d'Elsa | 907.06 mi (1,459.77 km) |
| Knottingley to Colle Salvetti | 877.53 mi (1,412.24 km) |
| Knottingley to Collecchio | 804.50 mi (1,294.72 km) |
| Knottingley to Colleferro | 1,056.06 mi (1,699.57 km) |
