| Willoughby to Cosham | 3,698.37 mi (5,951.96 km) |
| Willoughby to Costessey | 3,737.24 mi (6,014.51 km) |
| Willoughby to Cottingham | 3,644.98 mi (5,866.02 km) |
| Willoughby to Coulsdon | 3,721.90 mi (5,989.81 km) |
| Willoughby to Coventry | 3,638.61 mi (5,855.77 km) |
| Willoughby to Cowdenbeath | 3,480.14 mi (5,600.74 km) |
| Willoughby to Cowes | 3,691.29 mi (5,940.56 km) |
| Willoughby to Cowley | 3,702.64 mi (5,958.83 km) |
| Willoughby to Cowley | 3,668.13 mi (5,903.29 km) |
| Willoughby to Cramlington | 3,568.66 mi (5,743.20 km) |
| Willoughby to Cranleigh | 3,713.61 mi (5,976.47 km) |
| Willoughby to Crawley | 3,725.91 mi (5,996.27 km) |
| Willoughby to Crayford | 3,730.92 mi (6,004.33 km) |
| Willoughby to Crewe | 3,584.82 mi (5,769.21 km) |
| Willoughby to Crigglestone | 3,606.37 mi (5,803.89 km) |
