| Sint-Joost-ten-Node to Navodari | 1,209.05 mi (1,945.78 km) |
| Sint-Joost-ten-Node to Negresti-Oas | 878.57 mi (1,413.92 km) |
| Sint-Joost-ten-Node to Nehoiu | 1,075.51 mi (1,730.87 km) |
| Sint-Joost-ten-Node to Ocna Mures | 938.12 mi (1,509.76 km) |
| Sint-Joost-ten-Node to Odobesti | 1,094.83 mi (1,761.96 km) |
| Sint-Joost-ten-Node to Odorheiu Secuiesc | 1,002.20 mi (1,612.89 km) |
| Sint-Joost-ten-Node to Oltenita | 1,133.83 mi (1,824.72 km) |
| Sint-Joost-ten-Node to Onesti | 1,067.03 mi (1,717.21 km) |
| Sint-Joost-ten-Node to Oradea | 834.96 mi (1,343.73 km) |
| Sint-Joost-ten-Node to Orastie | 927.29 mi (1,492.32 km) |
| Sint-Joost-ten-Node to Oravita | 892.80 mi (1,436.82 km) |
| Sint-Joost-ten-Node to Orsova | 933.83 mi (1,502.86 km) |
| Sint-Joost-ten-Node to Otelu Rosu | 903.04 mi (1,453.30 km) |
| Sint-Joost-ten-Node to Otopeni | 1,093.18 mi (1,759.30 km) |
| Sint-Joost-ten-Node to Ovidiu | 1,208.58 mi (1,945.02 km) |
