| Willoughby to Cavaillon | 4,174.48 mi (6,718.18 km) |
| Willoughby to Cebazat | 4,023.41 mi (6,475.06 km) |
| Willoughby to Cenon | 3,900.09 mi (6,276.59 km) |
| Willoughby to Cergy | 3,877.31 mi (6,239.93 km) |
| Willoughby to Cernay | 4,123.91 mi (6,636.80 km) |
| Willoughby to Cesson | 3,913.84 mi (6,298.72 km) |
| Willoughby to Cesson-Sevigne | 3,754.05 mi (6,041.57 km) |
| Willoughby to Cestas | 3,897.20 mi (6,271.93 km) |
| Willoughby to Chalette-sur-Loing | 3,936.93 mi (6,335.88 km) |
| Willoughby to Challans | 3,780.35 mi (6,083.89 km) |
| Willoughby to Chalon-sur-Saone | 4,064.51 mi (6,541.20 km) |
| Willoughby to Chalons-en-Champagne | 3,972.57 mi (6,393.23 km) |
| Willoughby to Chamalieres | 4,023.95 mi (6,475.92 km) |
| Willoughby to Chambery | 4,150.17 mi (6,679.05 km) |
| Willoughby to Chambly | 3,880.76 mi (6,245.48 km) |
