| Buckingham to Collegno | 617.00 mi (992.96 km) |
| Buckingham to Cologno al Serio | 656.71 mi (1,056.88 km) |
| Buckingham to Cologno Monzese | 645.52 mi (1,038.87 km) |
| Buckingham to Colorno | 712.20 mi (1,146.17 km) |
| Buckingham to Comacchio | 785.17 mi (1,263.61 km) |
| Buckingham to Comiso | 1,286.88 mi (2,071.03 km) |
| Buckingham to Como | 624.94 mi (1,005.75 km) |
| Buckingham to Concordia Sagittaria | 759.87 mi (1,222.90 km) |
| Buckingham to Concorezzo | 644.31 mi (1,036.92 km) |
| Buckingham to Conegliano | 734.10 mi (1,181.42 km) |
| Buckingham to Conselice | 782.04 mi (1,258.57 km) |
| Buckingham to Conselve | 748.46 mi (1,204.53 km) |
| Buckingham to Conversano | 1,144.22 mi (1,841.45 km) |
| Buckingham to Copertino | 1,212.91 mi (1,952.00 km) |
| Buckingham to Copparo | 763.25 mi (1,228.33 km) |
