| Sinnai to Orzesze | 882.33 mi (1,419.98 km) |
| Sinnai to Osowa | 1,130.73 mi (1,819.74 km) |
| Sinnai to Ostroda | 1,115.89 mi (1,795.85 km) |
| Sinnai to Ostroleka | 1,116.38 mi (1,796.64 km) |
| Sinnai to Ostrow Mazowiecka | 1,110.10 mi (1,786.54 km) |
| Sinnai to Ostrow Wielkopolski | 948.13 mi (1,525.87 km) |
| Sinnai to Ostrowiec Swietokrzyski | 996.91 mi (1,604.38 km) |
| Sinnai to Ostrzeszow | 936.64 mi (1,507.38 km) |
| Sinnai to Oswiecim | 888.49 mi (1,429.89 km) |
| Sinnai to Otwock | 1,056.47 mi (1,700.22 km) |
| Sinnai to Ozarow Mazowiecki | 1,050.04 mi (1,689.88 km) |
| Sinnai to Ozimek | 899.06 mi (1,446.90 km) |
| Sinnai to Ozorkow | 999.24 mi (1,608.12 km) |
| Sinnai to Pabianice | 983.30 mi (1,582.47 km) |
| Sinnai to Parczew | 1,075.26 mi (1,730.47 km) |
