| Windsor to Nasaud | 1,155.75 mi (1,860.00 km) |
| Windsor to Navodari | 1,429.64 mi (2,300.78 km) |
| Windsor to Negresti-Oas | 1,097.79 mi (1,766.72 km) |
| Windsor to Nehoiu | 1,296.08 mi (2,085.84 km) |
| Windsor to Ocna Mures | 1,158.64 mi (1,864.66 km) |
| Windsor to Odobesti | 1,315.10 mi (2,116.45 km) |
| Windsor to Odorheiu Secuiesc | 1,222.51 mi (1,967.45 km) |
| Windsor to Oltenita | 1,354.27 mi (2,179.49 km) |
| Windsor to Onesti | 1,287.00 mi (2,071.23 km) |
| Windsor to Oradea | 1,055.46 mi (1,698.60 km) |
| Windsor to Orastie | 1,147.85 mi (1,847.28 km) |
| Windsor to Oravita | 1,112.19 mi (1,789.90 km) |
| Windsor to Orsova | 1,153.23 mi (1,855.95 km) |
| Windsor to Otelu Rosu | 1,123.25 mi (1,807.70 km) |
| Windsor to Otopeni | 1,313.70 mi (2,114.19 km) |
