| Buckingham to Castelletto sopra Ticino | 614.98 mi (989.72 km) |
| Buckingham to Castelli Calepio | 660.96 mi (1,063.71 km) |
| Buckingham to Castelnovo ne' Monti | 738.49 mi (1,188.48 km) |
| Buckingham to Castelnuovo Berardenga | 831.27 mi (1,337.81 km) |
| Buckingham to Castelnuovo di Porto | 928.28 mi (1,493.92 km) |
| Buckingham to Castelnuovo di Verona | 700.37 mi (1,127.13 km) |
| Buckingham to Castelnuovo Rangone | 749.96 mi (1,206.95 km) |
| Buckingham to Castelvetrano | 1,192.90 mi (1,919.79 km) |
| Buckingham to Castelvetro di Modena | 753.07 mi (1,211.95 km) |
| Buckingham to Castenaso | 770.03 mi (1,239.25 km) |
| Buckingham to Castenedolo | 682.44 mi (1,098.28 km) |
| Buckingham to Castiglion Fiorentino | 844.87 mi (1,359.69 km) |
| Buckingham to Castiglione del Lago | 859.89 mi (1,383.86 km) |
| Buckingham to Castiglione delle Stiviere | 692.83 mi (1,115.00 km) |
| Buckingham to Castrolibero | 1,200.79 mi (1,932.49 km) |
