| Willoughby to Caltagirone | 4,841.89 mi (7,792.27 km) |
| Willoughby to Caltanissetta | 4,811.65 mi (7,743.61 km) |
| Willoughby to Calvisano | 4,340.98 mi (6,986.13 km) |
| Willoughby to Calvizzano | 4,675.05 mi (7,523.77 km) |
| Willoughby to Camaiore | 4,392.64 mi (7,069.28 km) |
| Willoughby to Cameri | 4,265.98 mi (6,865.42 km) |
| Willoughby to Camisano Vicentino | 4,390.23 mi (7,065.39 km) |
| Willoughby to Campagna | 4,723.12 mi (7,601.14 km) |
| Willoughby to Campagnano di Roma | 4,549.67 mi (7,321.99 km) |
| Willoughby to Campi Bisenzio | 4,431.64 mi (7,132.03 km) |
| Willoughby to Campi Salentina | 4,855.55 mi (7,814.25 km) |
| Willoughby to Campiglia Marittima | 4,439.10 mi (7,144.03 km) |
| Willoughby to Campobasso | 4,667.85 mi (7,512.18 km) |
| Willoughby to Campobello di Licata | 4,815.41 mi (7,749.65 km) |
| Willoughby to Campobello di Mazara | 4,748.42 mi (7,641.84 km) |
