| Siniscola to Orzesze | 793.02 mi (1,276.24 km) |
| Siniscola to Osowa | 1,039.20 mi (1,672.44 km) |
| Siniscola to Ostroda | 1,024.97 mi (1,649.52 km) |
| Siniscola to Ostroleka | 1,026.58 mi (1,652.13 km) |
| Siniscola to Ostrow Mazowiecka | 1,020.72 mi (1,642.69 km) |
| Siniscola to Ostrow Wielkopolski | 857.15 mi (1,379.44 km) |
| Siniscola to Ostrowiec Swietokrzyski | 909.09 mi (1,463.04 km) |
| Siniscola to Ostrzeszow | 845.82 mi (1,361.22 km) |
| Siniscola to Oswiecim | 799.74 mi (1,287.05 km) |
| Siniscola to Otwock | 967.25 mi (1,556.65 km) |
| Siniscola to Ozarow Mazowiecki | 960.43 mi (1,545.66 km) |
| Siniscola to Ozimek | 808.87 mi (1,301.74 km) |
| Siniscola to Ozorkow | 908.86 mi (1,462.67 km) |
| Siniscola to Pabianice | 893.19 mi (1,437.45 km) |
| Siniscola to Parczew | 987.82 mi (1,589.74 km) |
