| Willoughby to Carmignano | 4,426.82 mi (7,124.27 km) |
| Willoughby to Carovigno | 4,828.28 mi (7,770.37 km) |
| Willoughby to Carpenedolo | 4,343.89 mi (6,990.81 km) |
| Willoughby to Carpi | 4,384.31 mi (7,055.87 km) |
| Willoughby to Carrara | 4,378.80 mi (7,046.99 km) |
| Willoughby to Carugate | 4,292.15 mi (6,907.55 km) |
| Willoughby to Casal di Principe | 4,668.16 mi (7,512.68 km) |
| Willoughby to Casale Monferrato | 4,271.47 mi (6,874.27 km) |
| Willoughby to Casale sul Sile | 4,411.86 mi (7,100.20 km) |
| Willoughby to Casalecchio di Reno | 4,412.16 mi (7,100.69 km) |
| Willoughby to Casalgrande | 4,385.78 mi (7,058.22 km) |
| Willoughby to Casalmaggiore | 4,357.46 mi (7,012.65 km) |
| Willoughby to Casalnuovo di Napoli | 4,681.36 mi (7,533.92 km) |
| Willoughby to Casalpusterlengo | 4,318.92 mi (6,950.63 km) |
| Willoughby to Casaluce | 4,671.64 mi (7,518.28 km) |
