| Mlada Boleslav to Navodari | 765.43 mi (1,231.84 km) |
| Mlada Boleslav to Negresti-Oas | 422.97 mi (680.70 km) |
| Mlada Boleslav to Nehoiu | 632.39 mi (1,017.74 km) |
| Mlada Boleslav to Ocna Mures | 495.46 mi (797.37 km) |
| Mlada Boleslav to Odobesti | 645.48 mi (1,038.80 km) |
| Mlada Boleslav to Odorheiu Secuiesc | 554.25 mi (891.98 km) |
| Mlada Boleslav to Oltenita | 701.32 mi (1,128.67 km) |
| Mlada Boleslav to Onesti | 614.93 mi (989.64 km) |
| Mlada Boleslav to Oradea | 394.03 mi (634.13 km) |
| Mlada Boleslav to Orastie | 495.19 mi (796.93 km) |
| Mlada Boleslav to Oravita | 486.52 mi (782.98 km) |
| Mlada Boleslav to Orsova | 525.19 mi (845.21 km) |
| Mlada Boleslav to Otelu Rosu | 482.33 mi (776.24 km) |
| Mlada Boleslav to Otopeni | 659.06 mi (1,060.66 km) |
| Mlada Boleslav to Ovidiu | 765.55 mi (1,232.03 km) |
