| Oegstgeest to Navodari | 1,228.71 mi (1,977.42 km) |
| Oegstgeest to Negresti-Oas | 889.59 mi (1,431.66 km) |
| Oegstgeest to Nehoiu | 1,095.10 mi (1,762.39 km) |
| Oegstgeest to Ocna Mures | 957.41 mi (1,540.81 km) |
| Oegstgeest to Odobesti | 1,110.80 mi (1,787.65 km) |
| Oegstgeest to Odorheiu Secuiesc | 1,018.84 mi (1,639.66 km) |
| Oegstgeest to Oltenita | 1,158.68 mi (1,864.71 km) |
| Oegstgeest to Onesti | 1,081.04 mi (1,739.77 km) |
| Oegstgeest to Oradea | 854.47 mi (1,375.14 km) |
| Oegstgeest to Orastie | 951.20 mi (1,530.80 km) |
| Oegstgeest to Oravita | 925.07 mi (1,488.75 km) |
| Oegstgeest to Orsova | 965.85 mi (1,554.38 km) |
| Oegstgeest to Otelu Rosu | 930.91 mi (1,498.16 km) |
| Oegstgeest to Otopeni | 1,117.16 mi (1,797.89 km) |
| Oegstgeest to Ovidiu | 1,228.57 mi (1,977.19 km) |
