| Severn to Nasaud | 4,750.33 mi (7,644.92 km) |
| Severn to Navodari | 5,035.16 mi (8,103.31 km) |
| Severn to Negresti-Oas | 4,689.61 mi (7,547.20 km) |
| Severn to Nehoiu | 4,902.08 mi (7,889.13 km) |
| Severn to Ocna Mures | 4,764.83 mi (7,668.26 km) |
| Severn to Odobesti | 4,914.25 mi (7,908.73 km) |
| Severn to Odorheiu Secuiesc | 4,823.77 mi (7,763.11 km) |
| Severn to Oltenita | 4,967.93 mi (7,995.10 km) |
| Severn to Onesti | 4,882.37 mi (7,857.42 km) |
| Severn to Oradea | 4,662.48 mi (7,503.53 km) |
| Severn to Orastie | 4,760.44 mi (7,661.18 km) |
| Severn to Oravita | 4,731.94 mi (7,615.33 km) |
| Severn to Orsova | 4,772.94 mi (7,681.31 km) |
| Severn to Otelu Rosu | 4,739.94 mi (7,628.20 km) |
| Severn to Otopeni | 4,926.26 mi (7,928.04 km) |
