| Ponca City to Cosham | 4,542.79 mi (7,310.91 km) |
| Ponca City to Costessey | 4,566.12 mi (7,348.46 km) |
| Ponca City to Cottingham | 4,469.55 mi (7,193.04 km) |
| Ponca City to Coulsdon | 4,561.76 mi (7,341.44 km) |
| Ponca City to Coventry | 4,474.29 mi (7,200.68 km) |
| Ponca City to Cowdenbeath | 4,293.12 mi (6,909.11 km) |
| Ponca City to Cowes | 4,536.62 mi (7,300.98 km) |
| Ponca City to Cowley | 4,541.90 mi (7,309.48 km) |
| Ponca City to Cowley | 4,507.49 mi (7,254.11 km) |
| Ponca City to Cramlington | 4,386.22 mi (7,058.94 km) |
| Ponca City to Cranleigh | 4,555.21 mi (7,330.90 km) |
| Ponca City to Crawley | 4,567.13 mi (7,350.08 km) |
| Ponca City to Crayford | 4,569.40 mi (7,353.74 km) |
| Ponca City to Crewe | 4,417.71 mi (7,109.61 km) |
| Ponca City to Crigglestone | 4,433.95 mi (7,135.76 km) |
