| Willoughby to Castelletto sopra Ticino | 4,257.38 mi (6,851.58 km) |
| Willoughby to Castelli Calepio | 4,312.19 mi (6,939.80 km) |
| Willoughby to Castelnovo ne' Monti | 4,377.76 mi (7,045.33 km) |
| Willoughby to Castelnuovo Berardenga | 4,465.21 mi (7,186.06 km) |
| Willoughby to Castelnuovo di Porto | 4,554.55 mi (7,329.85 km) |
| Willoughby to Castelnuovo di Verona | 4,354.93 mi (7,008.59 km) |
| Willoughby to Castelnuovo Rangone | 4,395.26 mi (7,073.48 km) |
| Willoughby to Castelvetrano | 4,748.23 mi (7,641.53 km) |
| Willoughby to Castelvetro di Modena | 4,397.85 mi (7,077.66 km) |
| Willoughby to Castenaso | 4,418.82 mi (7,111.41 km) |
| Willoughby to Castenedolo | 4,334.42 mi (6,975.58 km) |
| Willoughby to Castiglion Fiorentino | 4,482.52 mi (7,213.93 km) |
| Willoughby to Castiglione del Lago | 4,495.92 mi (7,235.48 km) |
| Willoughby to Castiglione delle Stiviere | 4,345.34 mi (6,993.15 km) |
| Willoughby to Castrolibero | 4,826.07 mi (7,766.81 km) |
