| Ponca City to Campo de Criptana | 4,858.24 mi (7,818.57 km) |
| Ponca City to Campos del Puerto | 5,130.53 mi (8,256.79 km) |
| Ponca City to Canals | 4,988.84 mi (8,028.76 km) |
| Ponca City to Candelaria | 4,597.87 mi (7,399.56 km) |
| Ponca City to Canet de Mar | 5,026.98 mi (8,090.14 km) |
| Ponca City to Cangas | 4,502.94 mi (7,246.78 km) |
| Ponca City to Cangas de Narcea | 4,573.24 mi (7,359.92 km) |
| Ponca City to Canovellas | 5,013.06 mi (8,067.74 km) |
| Ponca City to Canteras | 5,019.22 mi (8,077.65 km) |
| Ponca City to Cantillana | 4,798.74 mi (7,722.83 km) |
| Ponca City to Capdepera | 5,137.91 mi (8,268.67 km) |
| Ponca City to Carballo | 4,476.61 mi (7,204.42 km) |
| Ponca City to Carcagente | 4,988.85 mi (8,028.77 km) |
| Ponca City to Cardedeu | 5,015.51 mi (8,071.68 km) |
| Ponca City to Carlet | 4,981.67 mi (8,017.22 km) |
