| Billingham to Castelletto sopra Ticino | 753.24 mi (1,212.22 km) |
| Billingham to Castelli Calepio | 791.47 mi (1,273.75 km) |
| Billingham to Castelnovo ne' Monti | 874.15 mi (1,406.82 km) |
| Billingham to Castelnuovo Berardenga | 966.94 mi (1,556.14 km) |
| Billingham to Castelnuovo di Porto | 1,064.86 mi (1,713.72 km) |
| Billingham to Castelnuovo di Verona | 826.86 mi (1,330.70 km) |
| Billingham to Castelnuovo Rangone | 881.71 mi (1,418.97 km) |
| Billingham to Castelvetrano | 1,343.76 mi (2,162.57 km) |
| Billingham to Castelvetro di Modena | 885.04 mi (1,424.33 km) |
| Billingham to Castenaso | 898.86 mi (1,446.57 km) |
| Billingham to Castenedolo | 811.63 mi (1,306.20 km) |
| Billingham to Castiglion Fiorentino | 978.28 mi (1,574.40 km) |
| Billingham to Castiglione del Lago | 993.73 mi (1,599.26 km) |
| Billingham to Castiglione delle Stiviere | 821.26 mi (1,321.69 km) |
| Billingham to Castrolibero | 1,332.06 mi (2,143.74 km) |
