| Willoughby to Busto Arsizio | 4,270.16 mi (6,872.15 km) |
| Willoughby to Busto Garolfo | 4,273.94 mi (6,878.24 km) |
| Willoughby to Cabras | 4,471.30 mi (7,195.86 km) |
| Willoughby to Cadelbosco di Sopra | 4,373.34 mi (7,038.21 km) |
| Willoughby to Cadoneghe | 4,401.52 mi (7,083.56 km) |
| Willoughby to Cagli | 4,504.59 mi (7,249.44 km) |
| Willoughby to Cagliari | 4,524.27 mi (7,281.12 km) |
| Willoughby to Cairo Montenotte | 4,290.51 mi (6,904.91 km) |
| Willoughby to Caivano | 4,677.89 mi (7,528.34 km) |
| Willoughby to Calcinaia | 4,415.36 mi (7,105.83 km) |
| Willoughby to Calcinato | 4,339.68 mi (6,984.05 km) |
| Willoughby to Calderara di Reno | 4,408.28 mi (7,094.45 km) |
| Willoughby to Caldogno | 4,378.09 mi (7,045.85 km) |
| Willoughby to Calenzano | 4,431.09 mi (7,131.15 km) |
| Willoughby to Calolziocorte | 4,287.01 mi (6,899.28 km) |
