| Zaltbommel to Navodari | 1,189.22 mi (1,913.87 km) |
| Zaltbommel to Negresti-Oas | 851.58 mi (1,370.48 km) |
| Zaltbommel to Nehoiu | 1,055.55 mi (1,698.75 km) |
| Zaltbommel to Ocna Mures | 917.84 mi (1,477.12 km) |
| Zaltbommel to Odobesti | 1,071.93 mi (1,725.11 km) |
| Zaltbommel to Odorheiu Secuiesc | 979.79 mi (1,576.83 km) |
| Zaltbommel to Oltenita | 1,118.30 mi (1,799.73 km) |
| Zaltbommel to Onesti | 1,042.55 mi (1,677.82 km) |
| Zaltbommel to Oradea | 814.78 mi (1,311.27 km) |
| Zaltbommel to Orastie | 910.86 mi (1,465.88 km) |
| Zaltbommel to Oravita | 883.60 mi (1,422.02 km) |
| Zaltbommel to Orsova | 924.43 mi (1,487.72 km) |
| Zaltbommel to Otelu Rosu | 889.99 mi (1,432.30 km) |
| Zaltbommel to Otopeni | 1,076.89 mi (1,733.09 km) |
| Zaltbommel to Ovidiu | 1,189.02 mi (1,913.54 km) |
