| Knowle to Cividale del Friuli | 807.93 mi (1,300.23 km) |
| Knowle to Civita Castellana | 958.25 mi (1,542.16 km) |
| Knowle to Civitanova Marche | 949.66 mi (1,528.32 km) |
| Knowle to Civitavecchia | 949.88 mi (1,528.68 km) |
| Knowle to Civitella in Val di Chiana | 876.12 mi (1,409.98 km) |
| Knowle to Clusone | 691.96 mi (1,113.61 km) |
| Knowle to Coccaglio | 708.64 mi (1,140.45 km) |
| Knowle to Codigoro | 817.79 mi (1,316.10 km) |
| Knowle to Codogno | 719.96 mi (1,158.66 km) |
| Knowle to Codroipo | 796.83 mi (1,282.37 km) |
| Knowle to Cogoleto | 728.05 mi (1,171.68 km) |
| Knowle to Colle di Val d'Elsa | 858.29 mi (1,381.28 km) |
| Knowle to Colle Salvetti | 827.09 mi (1,331.07 km) |
| Knowle to Collecchio | 757.75 mi (1,219.48 km) |
| Knowle to Colleferro | 1,008.07 mi (1,622.33 km) |
