| Hilo to Cromer | 7,223.63 mi (11,625.30 km) |
| Hilo to Crosby | 7,113.17 mi (11,447.54 km) |
| Hilo to Crowborough | 7,322.69 mi (11,784.73 km) |
| Hilo to Croxley Green | 7,274.96 mi (11,707.92 km) |
| Hilo to Croydon | 7,298.19 mi (11,745.30 km) |
| Hilo to Cudworth | 7,136.84 mi (11,485.64 km) |
| Hilo to Culcheth | 7,124.83 mi (11,466.31 km) |
| Hilo to Cullercoats | 7,045.70 mi (11,338.96 km) |
| Hilo to Cumbernauld | 6,944.66 mi (11,176.36 km) |
| Hilo to Cumnock | 6,969.88 mi (11,216.93 km) |
| Hilo to Cupar | 6,938.86 mi (11,167.02 km) |
| Hilo to Cwmbran | 7,226.33 mi (11,629.65 km) |
| Hilo to Dagenham | 7,292.14 mi (11,735.56 km) |
| Hilo to Dalkeith | 6,964.22 mi (11,207.83 km) |
| Hilo to Darfield | 7,139.96 mi (11,490.65 km) |
