| Willoughby to Celano | 4,600.56 mi (7,403.88 km) |
| Willoughby to Cento | 4,402.58 mi (7,085.27 km) |
| Willoughby to Cepagatti | 4,610.33 mi (7,419.61 km) |
| Willoughby to Ceprano | 4,620.57 mi (7,436.08 km) |
| Willoughby to Cercola | 4,683.42 mi (7,537.23 km) |
| Willoughby to Cerea | 4,382.06 mi (7,052.24 km) |
| Willoughby to Cerese | 4,368.74 mi (7,030.81 km) |
| Willoughby to Cerignola | 4,731.42 mi (7,614.49 km) |
| Willoughby to Cermenate | 4,276.40 mi (6,882.21 km) |
| Willoughby to Cernusco sul Naviglio | 4,293.38 mi (6,909.52 km) |
| Willoughby to Cerreto Guidi | 4,423.22 mi (7,118.48 km) |
| Willoughby to Cerro Maggiore | 4,274.62 mi (6,879.33 km) |
| Willoughby to Certaldo | 4,438.20 mi (7,142.59 km) |
| Willoughby to Cerveteri | 4,543.09 mi (7,311.40 km) |
| Willoughby to Cervia | 4,464.74 mi (7,185.31 km) |
