| Ponca City to Capodrise | 5,532.28 mi (8,903.35 km) |
| Ponca City to Capoterra | 5,396.85 mi (8,685.39 km) |
| Ponca City to Capriolo | 5,162.27 mi (8,307.88 km) |
| Ponca City to Capua | 5,526.38 mi (8,893.85 km) |
| Ponca City to Capurso | 5,634.43 mi (9,067.73 km) |
| Ponca City to Carate Brianza | 5,128.02 mi (8,252.74 km) |
| Ponca City to Caravaggio | 5,156.94 mi (8,299.29 km) |
| Ponca City to Carbonera | 5,249.62 mi (8,448.45 km) |
| Ponca City to Carbonia | 5,378.19 mi (8,655.37 km) |
| Ponca City to Cardito | 5,536.79 mi (8,910.61 km) |
| Ponca City to Carignano | 5,104.48 mi (8,214.87 km) |
| Ponca City to Carini | 5,618.30 mi (9,041.78 km) |
| Ponca City to Carlentini | 5,732.46 mi (9,225.50 km) |
| Ponca City to Carmagnola | 5,108.52 mi (8,221.37 km) |
| Ponca City to Carmiano | 5,710.90 mi (9,190.80 km) |
