| Stara Zagora to Navodari | 197.86 mi (318.43 km) |
| Stara Zagora to Negresti-Oas | 390.90 mi (629.09 km) |
| Stara Zagora to Nehoiu | 204.36 mi (328.88 km) |
| Stara Zagora to Ocna Mures | 287.28 mi (462.33 km) |
| Stara Zagora to Odobesti | 240.79 mi (387.52 km) |
| Stara Zagora to Odorheiu Secuiesc | 268.67 mi (432.39 km) |
| Stara Zagora to Oltenita | 124.56 mi (200.46 km) |
| Stara Zagora to Onesti | 270.02 mi (434.55 km) |
| Stara Zagora to Oradea | 368.96 mi (593.78 km) |
| Stara Zagora to Orastie | 265.46 mi (427.22 km) |
| Stara Zagora to Oravita | 267.56 mi (430.59 km) |
| Stara Zagora to Orsova | 227.13 mi (365.53 km) |
| Stara Zagora to Otelu Rosu | 268.87 mi (432.71 km) |
| Stara Zagora to Otopeni | 147.76 mi (237.79 km) |
| Stara Zagora to Ovidiu | 193.57 mi (311.53 km) |
