| Stamboliyski to Navodari | 254.98 mi (410.35 km) |
| Stamboliyski to Negresti-Oas | 400.00 mi (643.74 km) |
| Stamboliyski to Nehoiu | 239.38 mi (385.25 km) |
| Stamboliyski to Ocna Mures | 295.99 mi (476.35 km) |
| Stamboliyski to Odobesti | 280.86 mi (452.00 km) |
| Stamboliyski to Odorheiu Secuiesc | 291.34 mi (468.87 km) |
| Stamboliyski to Oltenita | 171.66 mi (276.27 km) |
| Stamboliyski to Onesti | 305.76 mi (492.07 km) |
| Stamboliyski to Oradea | 364.58 mi (586.74 km) |
| Stamboliyski to Orastie | 265.20 mi (426.80 km) |
| Stamboliyski to Oravita | 246.25 mi (396.30 km) |
| Stamboliyski to Orsova | 208.72 mi (335.91 km) |
| Stamboliyski to Otelu Rosu | 257.90 mi (415.04 km) |
| Stamboliyski to Otopeni | 183.96 mi (296.05 km) |
| Stamboliyski to Ovidiu | 250.80 mi (403.62 km) |
