| Leighton Buzzard to Cividale del Friuli | 752.78 mi (1,211.48 km) |
| Leighton Buzzard to Civita Castellana | 902.70 mi (1,452.76 km) |
| Leighton Buzzard to Civitanova Marche | 893.80 mi (1,438.44 km) |
| Leighton Buzzard to Civitavecchia | 894.57 mi (1,439.67 km) |
| Leighton Buzzard to Civitella in Val di Chiana | 820.44 mi (1,320.37 km) |
| Leighton Buzzard to Clusone | 636.11 mi (1,023.73 km) |
| Leighton Buzzard to Coccaglio | 652.82 mi (1,050.61 km) |
| Leighton Buzzard to Codigoro | 761.95 mi (1,226.23 km) |
| Leighton Buzzard to Codogno | 664.26 mi (1,069.02 km) |
| Leighton Buzzard to Codroipo | 741.46 mi (1,193.26 km) |
| Leighton Buzzard to Cogoleto | 673.11 mi (1,083.26 km) |
| Leighton Buzzard to Colle di Val d'Elsa | 802.76 mi (1,291.91 km) |
| Leighton Buzzard to Colle Salvetti | 771.70 mi (1,241.93 km) |
| Leighton Buzzard to Collecchio | 702.05 mi (1,129.85 km) |
| Leighton Buzzard to Colleferro | 952.52 mi (1,532.93 km) |
