| Siechnice to Navodari | 705.36 mi (1,135.16 km) |
| Siechnice to Negresti-Oas | 356.50 mi (573.74 km) |
| Siechnice to Nehoiu | 575.33 mi (925.91 km) |
| Siechnice to Ocna Mures | 443.03 mi (712.99 km) |
| Siechnice to Odobesti | 581.74 mi (936.21 km) |
| Siechnice to Odorheiu Secuiesc | 494.17 mi (795.29 km) |
| Siechnice to Oltenita | 651.75 mi (1,048.89 km) |
| Siechnice to Onesti | 548.55 mi (882.80 km) |
| Siechnice to Oradea | 348.63 mi (561.07 km) |
| Siechnice to Orastie | 452.73 mi (728.59 km) |
| Siechnice to Oravita | 464.01 mi (746.75 km) |
| Siechnice to Orsova | 498.90 mi (802.90 km) |
| Siechnice to Otelu Rosu | 449.79 mi (723.87 km) |
| Siechnice to Otopeni | 609.23 mi (980.47 km) |
| Siechnice to Ovidiu | 706.01 mi (1,136.22 km) |
