| Aylesbury to Cividale del Friuli | 755.49 mi (1,215.84 km) |
| Aylesbury to Civita Castellana | 902.88 mi (1,453.05 km) |
| Aylesbury to Civitanova Marche | 895.00 mi (1,440.36 km) |
| Aylesbury to Civitavecchia | 894.40 mi (1,439.40 km) |
| Aylesbury to Civitella in Val di Chiana | 820.87 mi (1,321.06 km) |
| Aylesbury to Clusone | 637.22 mi (1,025.51 km) |
| Aylesbury to Coccaglio | 653.71 mi (1,052.05 km) |
| Aylesbury to Codigoro | 763.34 mi (1,228.48 km) |
| Aylesbury to Codogno | 664.74 mi (1,069.80 km) |
| Aylesbury to Codroipo | 743.92 mi (1,197.22 km) |
| Aylesbury to Cogoleto | 672.54 mi (1,082.35 km) |
| Aylesbury to Colle di Val d'Elsa | 802.91 mi (1,292.16 km) |
| Aylesbury to Colle Salvetti | 771.65 mi (1,241.85 km) |
| Aylesbury to Collecchio | 702.53 mi (1,130.62 km) |
| Aylesbury to Colleferro | 952.70 mi (1,533.23 km) |
