| Willoughby to Cassina de' Pecchi | 4,294.74 mi (6,911.72 km) |
| Willoughby to Cassino | 4,635.84 mi (7,460.67 km) |
| Willoughby to Castagneto Carducci | 4,434.54 mi (7,136.70 km) |
| Willoughby to Castano Primo | 4,268.94 mi (6,870.19 km) |
| Willoughby to Castel Bolognese | 4,439.75 mi (7,145.09 km) |
| Willoughby to Castel Gandolfo | 4,576.37 mi (7,364.96 km) |
| Willoughby to Castel Goffredo | 4,348.16 mi (6,997.68 km) |
| Willoughby to Castel Maggiore | 4,412.38 mi (7,101.04 km) |
| Willoughby to Castel Mella | 4,327.34 mi (6,964.18 km) |
| Willoughby to Castel San Giorgio | 4,701.54 mi (7,566.39 km) |
| Willoughby to Castel San Giovanni | 4,314.78 mi (6,943.96 km) |
| Willoughby to Castel San Pietro Terme | 4,427.66 mi (7,125.63 km) |
| Willoughby to Castel Volturno | 4,657.71 mi (7,495.85 km) |
| Willoughby to Castelbuono | 4,794.68 mi (7,716.28 km) |
| Willoughby to Casteldaccia | 4,765.23 mi (7,668.89 km) |
