| Sompting to Nasaud | 1,141.18 mi (1,836.55 km) |
| Sompting to Navodari | 1,411.83 mi (2,272.12 km) |
| Sompting to Negresti-Oas | 1,084.04 mi (1,744.59 km) |
| Sompting to Nehoiu | 1,278.53 mi (2,057.60 km) |
| Sompting to Ocna Mures | 1,141.50 mi (1,837.07 km) |
| Sompting to Odobesti | 1,298.99 mi (2,090.53 km) |
| Sompting to Odorheiu Secuiesc | 1,206.30 mi (1,941.34 km) |
| Sompting to Oltenita | 1,334.49 mi (2,147.65 km) |
| Sompting to Onesti | 1,271.72 mi (2,046.64 km) |
| Sompting to Oradea | 1,038.50 mi (1,671.30 km) |
| Sompting to Orastie | 1,128.91 mi (1,816.81 km) |
| Sompting to Oravita | 1,090.08 mi (1,754.32 km) |
| Sompting to Orsova | 1,131.09 mi (1,820.31 km) |
| Sompting to Otelu Rosu | 1,102.83 mi (1,774.83 km) |
| Sompting to Otopeni | 1,294.35 mi (2,083.05 km) |
