| Willoughby to Cabestany | 4,124.72 mi (6,638.09 km) |
| Willoughby to Cabries | 4,203.26 mi (6,764.49 km) |
| Willoughby to Cachan | 3,895.80 mi (6,269.69 km) |
| Willoughby to Caen | 3,773.95 mi (6,073.58 km) |
| Willoughby to Cagnes-sur-Mer | 4,270.55 mi (6,872.79 km) |
| Willoughby to Cahors | 3,998.88 mi (6,435.57 km) |
| Willoughby to Calais | 3,811.27 mi (6,133.65 km) |
| Willoughby to Caluire-et-Cuire | 4,097.93 mi (6,594.98 km) |
| Willoughby to Cambrai | 3,889.01 mi (6,258.76 km) |
| Willoughby to Canet-en-Roussillon | 4,126.65 mi (6,641.21 km) |
| Willoughby to Cannes | 4,268.93 mi (6,870.18 km) |
| Willoughby to Canteleu | 3,823.09 mi (6,152.67 km) |
| Willoughby to Capbreton | 3,899.93 mi (6,276.33 km) |
| Willoughby to Carcassonne | 4,080.39 mi (6,566.75 km) |
| Willoughby to Carmaux | 4,043.30 mi (6,507.06 km) |
