| Federal Way to Opole | 5,267.06 mi (8,476.51 km) |
| Federal Way to Orzesze | 5,314.97 mi (8,553.62 km) |
| Federal Way to Osowa | 5,044.73 mi (8,118.70 km) |
| Federal Way to Ostroda | 5,116.52 mi (8,234.24 km) |
| Federal Way to Ostroleka | 5,184.03 mi (8,342.89 km) |
| Federal Way to Ostrow Mazowiecka | 5,206.54 mi (8,379.11 km) |
| Federal Way to Ostrow Wielkopolski | 5,204.07 mi (8,375.15 km) |
| Federal Way to Ostrowiec Swietokrzyski | 5,315.38 mi (8,554.27 km) |
| Federal Way to Ostrzeszow | 5,220.70 mi (8,401.90 km) |
| Federal Way to Oswiecim | 5,331.02 mi (8,579.44 km) |
| Federal Way to Otwock | 5,238.56 mi (8,430.64 km) |
| Federal Way to Ozarow Mazowiecki | 5,224.02 mi (8,407.25 km) |
| Federal Way to Ozimek | 5,272.11 mi (8,484.64 km) |
| Federal Way to Ozorkow | 5,212.11 mi (8,388.08 km) |
| Federal Way to Pabianice | 5,233.68 mi (8,422.79 km) |
