| Sand to Navodari | 1,281.98 mi (2,063.14 km) |
| Sand to Negresti-Oas | 945.03 mi (1,520.87 km) |
| Sand to Nehoiu | 1,163.68 mi (1,872.77 km) |
| Sand to Ocna Mures | 1,044.55 mi (1,681.05 km) |
| Sand to Odobesti | 1,157.53 mi (1,862.86 km) |
| Sand to Odorheiu Secuiesc | 1,082.12 mi (1,741.51 km) |
| Sand to Oltenita | 1,248.30 mi (2,008.94 km) |
| Sand to Onesti | 1,121.07 mi (1,804.18 km) |
| Sand to Oradea | 961.23 mi (1,546.95 km) |
| Sand to Orastie | 1,063.71 mi (1,711.87 km) |
| Sand to Oravita | 1,085.09 mi (1,746.29 km) |
| Sand to Orsova | 1,118.51 mi (1,800.07 km) |
| Sand to Otelu Rosu | 1,067.35 mi (1,717.73 km) |
| Sand to Otopeni | 1,206.91 mi (1,942.33 km) |
| Sand to Ovidiu | 1,283.68 mi (2,065.89 km) |
