| Sedro-Woolley to Opole | 5,189.62 mi (8,351.88 km) |
| Sedro-Woolley to Orzesze | 5,237.40 mi (8,428.78 km) |
| Sedro-Woolley to Osowa | 4,966.25 mi (7,992.41 km) |
| Sedro-Woolley to Ostroda | 5,037.81 mi (8,107.57 km) |
| Sedro-Woolley to Ostroleka | 5,105.03 mi (8,215.76 km) |
| Sedro-Woolley to Ostrow Mazowiecka | 5,127.50 mi (8,251.92 km) |
| Sedro-Woolley to Ostrow Wielkopolski | 5,126.43 mi (8,250.20 km) |
| Sedro-Woolley to Ostrowiec Swietokrzyski | 5,236.85 mi (8,427.89 km) |
| Sedro-Woolley to Ostrzeszow | 5,143.08 mi (8,276.98 km) |
| Sedro-Woolley to Oswiecim | 5,253.33 mi (8,454.41 km) |
| Sedro-Woolley to Otwock | 5,159.82 mi (8,303.94 km) |
| Sedro-Woolley to Ozarow Mazowiecki | 5,145.40 mi (8,280.72 km) |
| Sedro-Woolley to Ozimek | 5,194.58 mi (8,359.87 km) |
| Sedro-Woolley to Ozorkow | 5,133.97 mi (8,262.32 km) |
| Sedro-Woolley to Pabianice | 5,155.57 mi (8,297.10 km) |
