| Herceg Novi to Orzesze | 531.91 mi (856.03 km) |
| Herceg Novi to Osowa | 827.34 mi (1,331.48 km) |
| Herceg Novi to Ostroda | 779.87 mi (1,255.08 km) |
| Herceg Novi to Ostroleka | 746.59 mi (1,201.52 km) |
| Herceg Novi to Ostrow Mazowiecka | 731.70 mi (1,177.56 km) |
| Herceg Novi to Ostrow Wielkopolski | 636.29 mi (1,024.01 km) |
| Herceg Novi to Ostrowiec Swietokrzyski | 601.37 mi (967.82 km) |
| Herceg Novi to Ostrzeszow | 619.97 mi (997.74 km) |
| Herceg Novi to Oswiecim | 525.11 mi (845.08 km) |
| Herceg Novi to Otwock | 679.76 mi (1,093.97 km) |
| Herceg Novi to Ozarow Mazowiecki | 682.83 mi (1,098.91 km) |
| Herceg Novi to Ozimek | 568.15 mi (914.35 km) |
| Herceg Novi to Ozorkow | 658.27 mi (1,059.38 km) |
| Herceg Novi to Pabianice | 636.70 mi (1,024.68 km) |
| Herceg Novi to Parczew | 666.03 mi (1,071.87 km) |
