| s-Gravendeel to Navodari | 1,214.91 mi (1,955.21 km) |
| s-Gravendeel to Negresti-Oas | 877.93 mi (1,412.89 km) |
| s-Gravendeel to Nehoiu | 1,081.23 mi (1,740.07 km) |
| s-Gravendeel to Ocna Mures | 943.52 mi (1,518.44 km) |
| s-Gravendeel to Odobesti | 1,097.94 mi (1,766.97 km) |
| s-Gravendeel to Odorheiu Secuiesc | 1,005.73 mi (1,618.56 km) |
| s-Gravendeel to Oltenita | 1,143.43 mi (1,840.17 km) |
| s-Gravendeel to Onesti | 1,068.71 mi (1,719.92 km) |
| s-Gravendeel to Oradea | 840.41 mi (1,352.50 km) |
| s-Gravendeel to Orastie | 936.04 mi (1,506.41 km) |
| s-Gravendeel to Oravita | 907.69 mi (1,460.79 km) |
| s-Gravendeel to Orsova | 948.57 mi (1,526.58 km) |
| s-Gravendeel to Otelu Rosu | 914.68 mi (1,472.04 km) |
| s-Gravendeel to Otopeni | 1,102.11 mi (1,773.68 km) |
| s-Gravendeel to Ovidiu | 1,214.68 mi (1,954.83 km) |
