| Willoughby to Cromer | 3,733.00 mi (6,007.68 km) |
| Willoughby to Crosby | 3,552.33 mi (5,716.92 km) |
| Willoughby to Crowborough | 3,741.05 mi (6,020.65 km) |
| Willoughby to Croxley Green | 3,700.78 mi (5,955.84 km) |
| Willoughby to Croydon | 3,721.59 mi (5,989.32 km) |
| Willoughby to Cudworth | 3,612.14 mi (5,813.17 km) |
| Willoughby to Culcheth | 3,572.91 mi (5,750.04 km) |
| Willoughby to Cullercoats | 3,575.48 mi (5,754.17 km) |
| Willoughby to Cumbernauld | 3,460.07 mi (5,568.45 km) |
| Willoughby to Cumnock | 3,460.66 mi (5,569.40 km) |
| Willoughby to Cupar | 3,487.97 mi (5,613.34 km) |
| Willoughby to Cwmbran | 3,598.74 mi (5,791.61 km) |
| Willoughby to Dagenham | 3,726.84 mi (5,997.78 km) |
| Willoughby to Dalkeith | 3,495.52 mi (5,625.50 km) |
| Willoughby to Darfield | 3,614.45 mi (5,816.89 km) |
