| Harrison to Nasaud | 4,546.42 mi (7,316.76 km) |
| Harrison to Navodari | 4,831.10 mi (7,774.91 km) |
| Harrison to Negresti-Oas | 4,485.73 mi (7,219.08 km) |
| Harrison to Nehoiu | 4,697.99 mi (7,560.68 km) |
| Harrison to Ocna Mures | 4,560.71 mi (7,339.75 km) |
| Harrison to Odobesti | 4,710.31 mi (7,580.51 km) |
| Harrison to Odorheiu Secuiesc | 4,619.76 mi (7,434.78 km) |
| Harrison to Oltenita | 4,763.69 mi (7,666.42 km) |
| Harrison to Onesti | 4,678.50 mi (7,529.31 km) |
| Harrison to Oradea | 4,458.32 mi (7,174.97 km) |
| Harrison to Orastie | 4,556.20 mi (7,332.49 km) |
| Harrison to Oravita | 4,527.59 mi (7,286.45 km) |
| Harrison to Orsova | 4,568.59 mi (7,352.43 km) |
| Harrison to Otelu Rosu | 4,535.63 mi (7,299.40 km) |
| Harrison to Otopeni | 4,722.04 mi (7,599.38 km) |
