| Knjazevac to Opole | 538.28 mi (866.28 km) |
| Knjazevac to Orzesze | 491.20 mi (790.51 km) |
| Knjazevac to Osowa | 775.78 mi (1,248.50 km) |
| Knjazevac to Ostroda | 713.59 mi (1,148.41 km) |
| Knjazevac to Ostroleka | 662.18 mi (1,065.68 km) |
| Knjazevac to Ostrow Mazowiecka | 643.03 mi (1,034.86 km) |
| Knjazevac to Ostrow Wielkopolski | 602.48 mi (969.60 km) |
| Knjazevac to Ostrowiec Swietokrzyski | 515.86 mi (830.20 km) |
| Knjazevac to Ostrzeszow | 585.71 mi (942.61 km) |
| Knjazevac to Oswiecim | 476.51 mi (766.86 km) |
| Knjazevac to Otwock | 597.79 mi (962.05 km) |
| Knjazevac to Ozarow Mazowiecki | 606.96 mi (976.81 km) |
| Knjazevac to Ozimek | 533.68 mi (858.87 km) |
| Knjazevac to Ozorkow | 602.88 mi (970.24 km) |
| Knjazevac to Pabianice | 580.64 mi (934.45 km) |
