| Ano Syros to Orzesze | 928.73 mi (1,494.65 km) |
| Ano Syros to Osowa | 1,211.77 mi (1,950.15 km) |
| Ano Syros to Ostroda | 1,147.14 mi (1,846.14 km) |
| Ano Syros to Ostroleka | 1,090.81 mi (1,755.50 km) |
| Ano Syros to Ostrow Mazowiecka | 1,070.38 mi (1,722.60 km) |
| Ano Syros to Ostrow Wielkopolski | 1,040.03 mi (1,673.76 km) |
| Ano Syros to Ostrowiec Swietokrzyski | 947.32 mi (1,524.56 km) |
| Ano Syros to Ostrzeszow | 1,023.24 mi (1,646.75 km) |
| Ano Syros to Oswiecim | 914.09 mi (1,471.09 km) |
| Ano Syros to Otwock | 1,028.58 mi (1,655.34 km) |
| Ano Syros to Ozarow Mazowiecki | 1,039.44 mi (1,672.81 km) |
| Ano Syros to Ozimek | 971.09 mi (1,562.81 km) |
| Ano Syros to Ozorkow | 1,039.45 mi (1,672.83 km) |
| Ano Syros to Pabianice | 1,017.29 mi (1,637.17 km) |
| Ano Syros to Parczew | 984.97 mi (1,585.16 km) |
