| Oklahoma City to Opwijk | 4,816.65 mi (7,751.65 km) |
| Oklahoma City to Ostend | 4,760.49 mi (7,661.27 km) |
| Oklahoma City to Oud-Heverlee | 4,839.40 mi (7,788.26 km) |
| Oklahoma City to Oud-Turnhout | 4,833.27 mi (7,778.39 km) |
| Oklahoma City to Oudenaarde | 4,799.22 mi (7,723.60 km) |
| Oklahoma City to Oudenburg | 4,764.99 mi (7,668.51 km) |
| Oklahoma City to Oupeye | 4,880.04 mi (7,853.66 km) |
| Oklahoma City to Overijse | 4,836.30 mi (7,783.27 km) |
| Oklahoma City to Overpelt | 4,852.79 mi (7,809.82 km) |
| Oklahoma City to Paal | 4,850.44 mi (7,806.04 km) |
| Oklahoma City to Peer | 4,857.26 mi (7,817.00 km) |
| Oklahoma City to Pepinster | 4,891.73 mi (7,872.49 km) |
| Oklahoma City to Peruwelz | 4,810.62 mi (7,741.94 km) |
| Oklahoma City to Perwez | 4,852.59 mi (7,809.49 km) |
| Oklahoma City to Philippeville | 4,858.36 mi (7,818.77 km) |
