| McDonough to Nasaud | 5,321.14 mi (8,563.54 km) |
| McDonough to Navodari | 5,606.27 mi (9,022.41 km) |
| McDonough to Negresti-Oas | 5,260.36 mi (8,465.72 km) |
| McDonough to Nehoiu | 5,473.27 mi (8,808.38 km) |
| McDonough to Ocna Mures | 5,336.09 mi (8,587.61 km) |
| McDonough to Odobesti | 5,485.13 mi (8,827.47 km) |
| McDonough to Odorheiu Secuiesc | 5,394.80 mi (8,682.10 km) |
| McDonough to Oltenita | 5,539.41 mi (8,914.82 km) |
| McDonough to Onesti | 5,453.10 mi (8,775.92 km) |
| McDonough to Oradea | 5,233.81 mi (8,423.00 km) |
| McDonough to Orastie | 5,331.92 mi (8,580.90 km) |
| McDonough to Oravita | 5,303.61 mi (8,535.33 km) |
| McDonough to Orsova | 5,344.61 mi (8,601.31 km) |
| McDonough to Otelu Rosu | 5,311.55 mi (8,548.12 km) |
| McDonough to Otopeni | 5,497.71 mi (8,847.70 km) |
