| Oklahoma City to Glyka Nera | 6,126.89 mi (9,860.27 km) |
| Oklahoma City to Grevena | 5,932.74 mi (9,547.82 km) |
| Oklahoma City to Ialysos | 6,367.49 mi (10,247.48 km) |
| Oklahoma City to Ilion | 6,119.20 mi (9,847.90 km) |
| Oklahoma City to Ilioupoli | 6,126.06 mi (9,858.93 km) |
| Oklahoma City to Ioannina | 5,931.19 mi (9,545.32 km) |
| Oklahoma City to Irakleio | 6,308.58 mi (10,152.69 km) |
| Oklahoma City to Irakleio | 6,120.90 mi (9,850.64 km) |
| Oklahoma City to Kaisariani | 6,124.64 mi (9,856.65 km) |
| Oklahoma City to Kalamaria | 5,965.32 mi (9,600.25 km) |
| Oklahoma City to Kalamata | 6,106.99 mi (9,828.25 km) |
| Oklahoma City to Kallithea | 6,123.33 mi (9,854.55 km) |
| Oklahoma City to Kalymnos | 6,294.94 mi (10,130.72 km) |
| Oklahoma City to Kalyvia Thorikou | 6,137.34 mi (9,877.10 km) |
| Oklahoma City to Kamatero | 6,118.35 mi (9,846.53 km) |
