| Ponca City to Islahiye | 6,543.62 mi (10,530.94 km) |
| Ponca City to Isparta | 6,300.05 mi (10,138.95 km) |
| Ponca City to Istanbul | 6,073.02 mi (9,773.58 km) |
| Ponca City to Izmir | 6,145.02 mi (9,889.46 km) |
| Ponca City to Kadinhani | 6,331.07 mi (10,188.88 km) |
| Ponca City to Kadirli | 6,507.11 mi (10,472.19 km) |
| Ponca City to Kagithane | 6,070.34 mi (9,769.27 km) |
| Ponca City to Kahramanmaras | 6,521.72 mi (10,495.69 km) |
| Ponca City to Kahta | 6,563.18 mi (10,562.42 km) |
| Ponca City to Kaman | 6,320.11 mi (10,171.23 km) |
| Ponca City to Kangal | 6,442.49 mi (10,368.19 km) |
| Ponca City to Kapakli | 6,022.73 mi (9,692.65 km) |
| Ponca City to Karaagac | 6,553.14 mi (10,546.26 km) |
| Ponca City to Karaagac | 6,023.89 mi (9,694.52 km) |
| Ponca City to Karabuk | 6,184.10 mi (9,952.34 km) |
