| Sokolow Podlaski to Navodari | 629.44 mi (1,012.99 km) |
| Sokolow Podlaski to Negresti-Oas | 317.31 mi (510.66 km) |
| Sokolow Podlaski to Nehoiu | 520.38 mi (837.48 km) |
| Sokolow Podlaski to Ocna Mures | 421.49 mi (678.32 km) |
| Sokolow Podlaski to Odobesti | 507.23 mi (816.31 km) |
| Sokolow Podlaski to Odorheiu Secuiesc | 442.26 mi (711.75 km) |
| Sokolow Podlaski to Oltenita | 608.54 mi (979.35 km) |
| Sokolow Podlaski to Onesti | 470.37 mi (756.99 km) |
| Sokolow Podlaski to Oradea | 368.41 mi (592.89 km) |
| Sokolow Podlaski to Orastie | 454.58 mi (731.58 km) |
| Sokolow Podlaski to Oravita | 509.15 mi (819.40 km) |
| Sokolow Podlaski to Orsova | 530.31 mi (853.45 km) |
| Sokolow Podlaski to Otelu Rosu | 475.48 mi (765.21 km) |
| Sokolow Podlaski to Otopeni | 569.70 mi (916.84 km) |
| Sokolow Podlaski to Ovidiu | 631.52 mi (1,016.33 km) |
