| Tulsa to Orbetello | 5,330.43 mi (8,578.50 km) |
| Tulsa to Oria | 5,671.78 mi (9,127.85 km) |
| Tulsa to Oristano | 5,327.49 mi (8,573.76 km) |
| Tulsa to Orta Nova | 5,558.40 mi (8,945.38 km) |
| Tulsa to Orte | 5,376.70 mi (8,652.96 km) |
| Tulsa to Ortona | 5,461.43 mi (8,789.32 km) |
| Tulsa to Orvieto | 5,354.65 mi (8,617.47 km) |
| Tulsa to Orzinuovi | 5,156.51 mi (8,298.60 km) |
| Tulsa to Osimo | 5,376.03 mi (8,651.88 km) |
| Tulsa to Ospitaletto | 5,155.62 mi (8,297.17 km) |
| Tulsa to Ostuni | 5,659.12 mi (9,107.47 km) |
| Tulsa to Ottaviano | 5,530.63 mi (8,900.68 km) |
| Tulsa to Ovada | 5,136.57 mi (8,266.52 km) |
| Tulsa to Ozieri | 5,316.85 mi (8,556.64 km) |
| Tulsa to Paceco | 5,576.90 mi (8,975.16 km) |
