| Setubal to Navodari | 1,966.08 mi (3,164.10 km) |
| Setubal to Negresti-Oas | 1,735.47 mi (2,792.97 km) |
| Setubal to Nehoiu | 1,853.43 mi (2,982.81 km) |
| Setubal to Ocna Mures | 1,741.40 mi (2,802.52 km) |
| Setubal to Odobesti | 1,891.39 mi (3,043.90 km) |
| Setubal to Odorheiu Secuiesc | 1,809.31 mi (2,911.81 km) |
| Setubal to Oltenita | 1,868.48 mi (3,007.03 km) |
| Setubal to Onesti | 1,878.91 mi (3,023.81 km) |
| Setubal to Oradea | 1,656.97 mi (2,666.64 km) |
| Setubal to Orastie | 1,706.05 mi (2,745.63 km) |
| Setubal to Oravita | 1,627.61 mi (2,619.38 km) |
| Setubal to Orsova | 1,660.55 mi (2,672.40 km) |
| Setubal to Otelu Rosu | 1,663.07 mi (2,676.46 km) |
| Setubal to Otopeni | 1,840.52 mi (2,962.03 km) |
| Setubal to Ovidiu | 1,963.54 mi (3,160.01 km) |
