| West Sacramento to Opole | 5,800.86 mi (9,335.58 km) |
| West Sacramento to Orzesze | 5,849.85 mi (9,414.43 km) |
| West Sacramento to Osowa | 5,588.84 mi (8,994.37 km) |
| West Sacramento to Ostroda | 5,662.68 mi (9,113.21 km) |
| West Sacramento to Ostroleka | 5,732.81 mi (9,226.06 km) |
| West Sacramento to Ostrow Mazowiecka | 5,755.60 mi (9,262.74 km) |
| West Sacramento to Ostrow Wielkopolski | 5,739.94 mi (9,237.54 km) |
| West Sacramento to Ostrowiec Swietokrzyski | 5,859.33 mi (9,429.68 km) |
| West Sacramento to Ostrzeszow | 5,756.32 mi (9,263.91 km) |
| West Sacramento to Oswiecim | 5,866.98 mi (9,442.00 km) |
| West Sacramento to Otwock | 5,784.63 mi (9,309.46 km) |
| West Sacramento to Ozarow Mazowiecki | 5,769.10 mi (9,284.47 km) |
| West Sacramento to Ozimek | 5,806.72 mi (9,345.01 km) |
| West Sacramento to Ozorkow | 5,752.68 mi (9,258.04 km) |
| West Sacramento to Pabianice | 5,773.79 mi (9,292.02 km) |
