| Willoughby to Carpentras | 4,167.20 mi (6,706.45 km) |
| Willoughby to Carquefou | 3,783.16 mi (6,088.40 km) |
| Willoughby to Carqueiranne | 4,245.52 mi (6,832.51 km) |
| Willoughby to Carrieres-sous-Poissy | 3,879.05 mi (6,242.73 km) |
| Willoughby to Carrieres-sur-Seine | 3,890.35 mi (6,260.92 km) |
| Willoughby to Carros | 4,268.47 mi (6,869.44 km) |
| Willoughby to Carvin | 3,868.33 mi (6,225.48 km) |
| Willoughby to Castanet-Tolosan | 4,032.75 mi (6,490.09 km) |
| Willoughby to Castelginest | 4,023.87 mi (6,475.80 km) |
| Willoughby to Castelnau-le-Lez | 4,132.80 mi (6,651.11 km) |
| Willoughby to Castelnaudary | 4,059.38 mi (6,532.95 km) |
| Willoughby to Castelsarrasin | 3,998.04 mi (6,434.23 km) |
| Willoughby to Castres | 4,062.61 mi (6,538.15 km) |
| Willoughby to Caudebec-les-Elbeuf | 3,827.61 mi (6,159.94 km) |
| Willoughby to Caudry | 3,897.58 mi (6,272.56 km) |
