| Ponca City to Glyka Nera | 6,046.05 mi (9,730.19 km) |
| Ponca City to Grevena | 5,851.82 mi (9,417.59 km) |
| Ponca City to Ialysos | 6,285.66 mi (10,115.79 km) |
| Ponca City to Ilion | 6,038.41 mi (9,717.88 km) |
| Ponca City to Ilioupoli | 6,045.29 mi (9,728.96 km) |
| Ponca City to Ioannina | 5,850.70 mi (9,415.79 km) |
| Ponca City to Irakleio | 6,228.52 mi (10,023.83 km) |
| Ponca City to Irakleio | 6,040.08 mi (9,720.56 km) |
| Ponca City to Kaisariani | 6,043.85 mi (9,726.64 km) |
| Ponca City to Kalamaria | 5,883.59 mi (9,468.73 km) |
| Ponca City to Kalamata | 6,027.35 mi (9,700.08 km) |
| Ponca City to Kallithea | 6,042.58 mi (9,724.59 km) |
| Ponca City to Kalymnos | 6,213.32 mi (9,999.37 km) |
| Ponca City to Kalyvia Thorikou | 6,056.56 mi (9,747.10 km) |
| Ponca City to Kamatero | 6,037.54 mi (9,716.48 km) |
