| Knottingley to Collegno | 714.86 mi (1,150.46 km) |
| Knottingley to Cologno al Serio | 743.21 mi (1,196.08 km) |
| Knottingley to Cologno Monzese | 734.12 mi (1,181.45 km) |
| Knottingley to Colorno | 799.08 mi (1,285.99 km) |
| Knottingley to Comacchio | 866.06 mi (1,393.79 km) |
| Knottingley to Comiso | 1,383.37 mi (2,226.31 km) |
| Knottingley to Como | 712.93 mi (1,147.35 km) |
| Knottingley to Concordia Sagittaria | 832.33 mi (1,339.51 km) |
| Knottingley to Concorezzo | 732.35 mi (1,178.60 km) |
| Knottingley to Conegliano | 808.02 mi (1,300.38 km) |
| Knottingley to Conselice | 865.16 mi (1,392.34 km) |
| Knottingley to Conselve | 827.84 mi (1,332.29 km) |
| Knottingley to Conversano | 1,223.48 mi (1,969.00 km) |
| Knottingley to Copertino | 1,291.68 mi (2,078.77 km) |
| Knottingley to Copparo | 844.50 mi (1,359.09 km) |
