| Mount Washington to Nasaud | 5,134.53 mi (8,263.24 km) |
| Mount Washington to Navodari | 5,421.76 mi (8,725.48 km) |
| Mount Washington to Negresti-Oas | 5,073.45 mi (8,164.92 km) |
| Mount Washington to Nehoiu | 5,290.03 mi (8,513.49 km) |
| Mount Washington to Ocna Mures | 5,154.05 mi (8,294.65 km) |
| Mount Washington to Odobesti | 5,298.72 mi (8,527.46 km) |
| Mount Washington to Odorheiu Secuiesc | 5,210.07 mi (8,384.79 km) |
| Mount Washington to Oltenita | 5,360.20 mi (8,626.41 km) |
| Mount Washington to Onesti | 5,265.50 mi (8,474.00 km) |
| Mount Washington to Oradea | 5,053.01 mi (8,132.04 km) |
| Mount Washington to Orastie | 5,153.37 mi (8,293.54 km) |
| Mount Washington to Oravita | 5,131.46 mi (8,258.28 km) |
| Mount Washington to Orsova | 5,172.21 mi (8,323.86 km) |
| Mount Washington to Otelu Rosu | 5,136.08 mi (8,265.72 km) |
| Mount Washington to Otopeni | 5,318.01 mi (8,558.51 km) |
