| Cities | Distance |
|---|---|
| Omurtag to Navodari | 138.38 mi (222.69 km) |
| Omurtag to Negresti-Oas | 359.94 mi (579.27 km) |
| Omurtag to Nehoiu | 155.77 mi (250.69 km) |
| Omurtag to Ocna Mures | 259.62 mi (417.81 km) |
| Omurtag to Odobesti | 187.02 mi (300.97 km) |
| Omurtag to Odorheiu Secuiesc | 228.71 mi (368.07 km) |
| Omurtag to Oltenita | 69.06 mi (111.13 km) |
| Omurtag to Onesti | 218.92 mi (352.32 km) |
| Omurtag to Oradea | 351.19 mi (565.19 km) |
| Omurtag to Orastie | 247.46 mi (398.25 km) |
| Omurtag to Oravita | 270.39 mi (435.16 km) |
| Omurtag to Orsova | 229.45 mi (369.27 km) |
| Omurtag to Otelu Rosu | 261.29 mi (420.50 km) |
| Omurtag to Otopeni | 101.67 mi (163.62 km) |
| Omurtag to Ovidiu | 134.16 mi (215.90 km) |