| Simav to Opole | 963.76 mi (1,551.02 km) |
| Simav to Orzesze | 913.53 mi (1,470.19 km) |
| Simav to Osowa | 1,168.19 mi (1,880.03 km) |
| Simav to Ostroda | 1,095.46 mi (1,762.97 km) |
| Simav to Ostroleka | 1,028.14 mi (1,654.64 km) |
| Simav to Ostrow Mazowiecka | 1,005.79 mi (1,618.66 km) |
| Simav to Ostrow Wielkopolski | 1,020.97 mi (1,643.10 km) |
| Simav to Ostrowiec Swietokrzyski | 897.51 mi (1,444.40 km) |
| Simav to Ostrzeszow | 1,005.03 mi (1,617.44 km) |
| Simav to Oswiecim | 894.89 mi (1,440.18 km) |
| Simav to Otwock | 973.40 mi (1,566.53 km) |
| Simav to Ozarow Mazowiecki | 988.27 mi (1,590.46 km) |
| Simav to Ozimek | 956.62 mi (1,539.53 km) |
| Simav to Ozorkow | 1,004.37 mi (1,616.37 km) |
| Simav to Pabianice | 983.49 mi (1,582.77 km) |
