| Onate to Nasaud | 1,332.36 mi (2,144.23 km) |
| Onate to Navodari | 1,543.89 mi (2,484.65 km) |
| Onate to Negresti-Oas | 1,289.58 mi (2,075.38 km) |
| Onate to Nehoiu | 1,424.21 mi (2,292.04 km) |
| Onate to Ocna Mures | 1,304.63 mi (2,099.60 km) |
| Onate to Odobesti | 1,459.24 mi (2,348.42 km) |
| Onate to Odorheiu Secuiesc | 1,373.38 mi (2,210.24 km) |
| Onate to Oltenita | 1,448.93 mi (2,331.82 km) |
| Onate to Onesti | 1,443.51 mi (2,323.10 km) |
| Onate to Oradea | 1,214.95 mi (1,955.27 km) |
| Onate to Orastie | 1,272.94 mi (2,048.60 km) |
| Onate to Oravita | 1,200.67 mi (1,932.28 km) |
| Onate to Orsova | 1,236.43 mi (1,989.84 km) |
| Onate to Otelu Rosu | 1,232.30 mi (1,983.20 km) |
| Onate to Otopeni | 1,417.43 mi (2,281.13 km) |
