| Uithoorn to Navodari | 1,214.87 mi (1,955.15 km) |
| Uithoorn to Negresti-Oas | 875.17 mi (1,408.46 km) |
| Uithoorn to Nehoiu | 1,081.29 mi (1,740.16 km) |
| Uithoorn to Ocna Mures | 943.63 mi (1,518.63 km) |
| Uithoorn to Odobesti | 1,096.68 mi (1,764.93 km) |
| Uithoorn to Odorheiu Secuiesc | 1,004.81 mi (1,617.08 km) |
| Uithoorn to Oltenita | 1,145.33 mi (1,843.24 km) |
| Uithoorn to Onesti | 1,066.78 mi (1,716.81 km) |
| Uithoorn to Oradea | 840.76 mi (1,353.07 km) |
| Uithoorn to Orastie | 937.84 mi (1,509.31 km) |
| Uithoorn to Oravita | 912.60 mi (1,468.69 km) |
| Uithoorn to Orsova | 953.33 mi (1,534.24 km) |
| Uithoorn to Otelu Rosu | 917.97 mi (1,477.33 km) |
| Uithoorn to Otopeni | 1,103.74 mi (1,776.30 km) |
| Uithoorn to Ovidiu | 1,214.76 mi (1,954.96 km) |
