| Darien to Nasaud | 5,027.13 mi (8,090.39 km) |
| Darien to Navodari | 5,315.05 mi (8,553.75 km) |
| Darien to Negresti-Oas | 4,966.04 mi (7,992.06 km) |
| Darien to Nehoiu | 5,185.21 mi (8,344.80 km) |
| Darien to Ocna Mures | 5,051.09 mi (8,128.94 km) |
| Darien to Odobesti | 5,190.71 mi (8,353.64 km) |
| Darien to Odorheiu Secuiesc | 5,104.15 mi (8,214.34 km) |
| Darien to Oltenita | 5,259.01 mi (8,463.56 km) |
| Darien to Onesti | 5,156.46 mi (8,298.53 km) |
| Darien to Oradea | 4,951.78 mi (7,969.13 km) |
| Darien to Orastie | 5,053.84 mi (8,133.37 km) |
| Darien to Oravita | 5,038.34 mi (8,108.43 km) |
| Darien to Orsova | 5,078.64 mi (8,173.29 km) |
| Darien to Otelu Rosu | 5,039.68 mi (8,110.58 km) |
| Darien to Otopeni | 5,216.54 mi (8,395.22 km) |
