| Buckingham to Castelfidardo | 893.47 mi (1,437.91 km) |
| Buckingham to Castelfiorentino | 800.65 mi (1,288.52 km) |
| Buckingham to Castelfranco di Sopra | 818.44 mi (1,317.15 km) |
| Buckingham to Castelfranco di Sotto | 788.44 mi (1,268.87 km) |
| Buckingham to Castelfranco Emilia | 751.58 mi (1,209.55 km) |
| Buckingham to Castelfranco Veneto | 730.69 mi (1,175.93 km) |
| Buckingham to Castellabate | 1,107.72 mi (1,782.70 km) |
| Buckingham to Castellammare del Golfo | 1,174.75 mi (1,890.58 km) |
| Buckingham to Castellammare di Stabia | 1,069.80 mi (1,721.67 km) |
| Buckingham to Castellamonte | 604.27 mi (972.49 km) |
| Buckingham to Castellana Grotte | 1,150.25 mi (1,851.14 km) |
| Buckingham to Castellaneta | 1,155.05 mi (1,858.87 km) |
| Buckingham to Castellanza | 628.72 mi (1,011.82 km) |
| Buckingham to Castellarano | 744.13 mi (1,197.57 km) |
| Buckingham to Castelleone | 673.21 mi (1,083.43 km) |
