| Owasso to Nasaud | 5,584.39 mi (8,987.20 km) |
| Owasso to Navodari | 5,872.22 mi (9,450.43 km) |
| Owasso to Negresti-Oas | 5,523.36 mi (8,888.99 km) |
| Owasso to Nehoiu | 5,743.17 mi (9,242.74 km) |
| Owasso to Ocna Mures | 5,609.77 mi (9,028.05 km) |
| Owasso to Odobesti | 5,747.56 mi (9,249.81 km) |
| Owasso to Odorheiu Secuiesc | 5,661.83 mi (9,111.83 km) |
| Owasso to Oltenita | 5,818.04 mi (9,363.22 km) |
| Owasso to Onesti | 5,712.99 mi (9,194.17 km) |
| Owasso to Oradea | 5,511.09 mi (8,869.24 km) |
| Owasso to Orastie | 5,613.54 mi (9,034.12 km) |
| Owasso to Oravita | 5,599.71 mi (9,011.86 km) |
| Owasso to Orsova | 5,639.87 mi (9,076.50 km) |
| Owasso to Otelu Rosu | 5,600.24 mi (9,012.71 km) |
| Owasso to Otopeni | 5,775.53 mi (9,294.81 km) |
