| Darby to Nasaud | 4,657.64 mi (7,495.75 km) |
| Darby to Navodari | 4,942.31 mi (7,953.88 km) |
| Darby to Negresti-Oas | 4,596.94 mi (7,398.06 km) |
| Darby to Nehoiu | 4,809.19 mi (7,739.64 km) |
| Darby to Ocna Mures | 4,671.90 mi (7,518.70 km) |
| Darby to Odobesti | 4,821.52 mi (7,759.49 km) |
| Darby to Odorheiu Secuiesc | 4,730.97 mi (7,613.76 km) |
| Darby to Oltenita | 4,874.84 mi (7,845.30 km) |
| Darby to Onesti | 4,789.71 mi (7,708.30 km) |
| Darby to Oradea | 4,569.50 mi (7,353.91 km) |
| Darby to Orastie | 4,667.35 mi (7,511.38 km) |
| Darby to Oravita | 4,638.62 mi (7,465.13 km) |
| Darby to Orsova | 4,679.62 mi (7,531.12 km) |
| Darby to Otelu Rosu | 4,646.74 mi (7,478.20 km) |
| Darby to Otopeni | 4,833.20 mi (7,778.28 km) |
