| Oakton to Nasaud | 4,785.47 mi (7,701.48 km) |
| Oakton to Navodari | 5,070.42 mi (8,160.05 km) |
| Oakton to Negresti-Oas | 4,724.73 mi (7,603.72 km) |
| Oakton to Nehoiu | 4,937.37 mi (7,945.93 km) |
| Oakton to Ocna Mures | 4,800.16 mi (7,725.11 km) |
| Oakton to Odobesti | 4,949.42 mi (7,965.33 km) |
| Oakton to Odorheiu Secuiesc | 4,859.00 mi (7,819.80 km) |
| Oakton to Oltenita | 5,003.38 mi (8,052.16 km) |
| Oakton to Onesti | 4,917.49 mi (7,913.94 km) |
| Oakton to Oradea | 4,697.84 mi (7,560.44 km) |
| Oakton to Orastie | 4,795.89 mi (7,718.24 km) |
| Oakton to Oravita | 4,767.62 mi (7,672.74 km) |
| Oakton to Orsova | 4,808.61 mi (7,738.71 km) |
| Oakton to Otelu Rosu | 4,775.51 mi (7,685.43 km) |
| Oakton to Otopeni | 4,961.68 mi (7,985.06 km) |
