| Ponca City to Cromer | 4,559.94 mi (7,338.51 km) |
| Ponca City to Crosby | 4,383.68 mi (7,054.85 km) |
| Ponca City to Crowborough | 4,581.91 mi (7,373.87 km) |
| Ponca City to Croxley Green | 4,539.24 mi (7,305.21 km) |
| Ponca City to Croydon | 4,561.08 mi (7,340.35 km) |
| Ponca City to Cudworth | 4,439.97 mi (7,145.44 km) |
| Ponca City to Culcheth | 4,403.59 mi (7,086.90 km) |
| Ponca City to Cullercoats | 4,393.12 mi (7,070.04 km) |
| Ponca City to Cumbernauld | 4,275.41 mi (6,880.61 km) |
| Ponca City to Cumnock | 4,280.18 mi (6,888.28 km) |
| Ponca City to Cupar | 4,298.74 mi (6,918.15 km) |
| Ponca City to Cwmbran | 4,441.81 mi (7,148.39 km) |
| Ponca City to Dagenham | 4,564.85 mi (7,346.42 km) |
| Ponca City to Dalkeith | 4,309.64 mi (6,935.70 km) |
| Ponca City to Darfield | 4,442.49 mi (7,149.50 km) |
