| Ponca City to Cassina de' Pecchi | 5,145.48 mi (8,280.86 km) |
| Ponca City to Cassino | 5,493.65 mi (8,841.18 km) |
| Ponca City to Castagneto Carducci | 5,292.95 mi (8,518.19 km) |
| Ponca City to Castano Primo | 5,120.88 mi (8,241.25 km) |
| Ponca City to Castel Bolognese | 5,290.35 mi (8,513.99 km) |
| Ponca City to Castel Gandolfo | 5,435.97 mi (8,748.34 km) |
| Ponca City to Castel Goffredo | 5,197.36 mi (8,364.34 km) |
| Ponca City to Castel Maggiore | 5,262.87 mi (8,469.76 km) |
| Ponca City to Castel Mella | 5,176.35 mi (8,330.53 km) |
| Ponca City to Castel San Giorgio | 5,560.13 mi (8,948.17 km) |
| Ponca City to Castel San Giovanni | 5,167.53 mi (8,316.34 km) |
| Ponca City to Castel San Pietro Terme | 5,278.39 mi (8,494.75 km) |
| Ponca City to Castel Volturno | 5,517.12 mi (8,878.95 km) |
| Ponca City to Castelbuono | 5,665.12 mi (9,117.13 km) |
| Ponca City to Casteldaccia | 5,636.50 mi (9,071.07 km) |
