| Muskogee to Orbetello | 5,326.57 mi (8,572.29 km) |
| Muskogee to Oria | 5,669.04 mi (9,123.44 km) |
| Muskogee to Oristano | 5,321.32 mi (8,563.83 km) |
| Muskogee to Orta Nova | 5,555.43 mi (8,940.60 km) |
| Muskogee to Orte | 5,373.24 mi (8,647.39 km) |
| Muskogee to Ortona | 5,458.58 mi (8,784.73 km) |
| Muskogee to Orvieto | 5,351.24 mi (8,612.00 km) |
| Muskogee to Orzinuovi | 5,153.98 mi (8,294.54 km) |
| Muskogee to Osimo | 5,373.51 mi (8,647.82 km) |
| Muskogee to Ospitaletto | 5,153.23 mi (8,293.32 km) |
| Muskogee to Ostuni | 5,656.48 mi (9,103.23 km) |
| Muskogee to Ottaviano | 5,526.97 mi (8,894.79 km) |
| Muskogee to Ovada | 5,133.21 mi (8,261.10 km) |
| Muskogee to Ozieri | 5,311.21 mi (8,547.56 km) |
| Muskogee to Paceco | 5,570.99 mi (8,965.64 km) |
