| Karnobat to Orzesze | 650.07 mi (1,046.18 km) |
| Karnobat to Osowa | 901.65 mi (1,451.07 km) |
| Karnobat to Ostroda | 829.22 mi (1,334.50 km) |
| Karnobat to Ostroleka | 762.82 mi (1,227.65 km) |
| Karnobat to Ostrow Mazowiecka | 740.66 mi (1,191.98 km) |
| Karnobat to Ostrow Wielkopolski | 756.13 mi (1,216.88 km) |
| Karnobat to Ostrowiec Swietokrzyski | 630.94 mi (1,015.40 km) |
| Karnobat to Ostrzeszow | 740.40 mi (1,191.56 km) |
| Karnobat to Oswiecim | 630.82 mi (1,015.20 km) |
| Karnobat to Otwock | 707.18 mi (1,138.10 km) |
| Karnobat to Ozarow Mazowiecki | 721.84 mi (1,161.69 km) |
| Karnobat to Ozimek | 692.94 mi (1,115.18 km) |
| Karnobat to Ozorkow | 737.99 mi (1,187.68 km) |
| Karnobat to Pabianice | 717.22 mi (1,154.26 km) |
| Karnobat to Parczew | 650.98 mi (1,047.65 km) |
