| SeaTac to Opole | 5,257.84 mi (8,461.67 km) |
| SeaTac to Orzesze | 5,305.74 mi (8,538.76 km) |
| SeaTac to Osowa | 5,035.43 mi (8,103.74 km) |
| SeaTac to Ostroda | 5,107.21 mi (8,219.25 km) |
| SeaTac to Ostroleka | 5,174.69 mi (8,327.87 km) |
| SeaTac to Ostrow Mazowiecka | 5,197.20 mi (8,364.08 km) |
| SeaTac to Ostrow Wielkopolski | 5,194.84 mi (8,360.28 km) |
| SeaTac to Ostrowiec Swietokrzyski | 5,306.08 mi (8,539.30 km) |
| SeaTac to Ostrzeszow | 5,211.46 mi (8,387.04 km) |
| SeaTac to Oswiecim | 5,321.78 mi (8,564.57 km) |
| SeaTac to Otwock | 5,229.24 mi (8,415.65 km) |
| SeaTac to Ozarow Mazowiecki | 5,214.71 mi (8,392.27 km) |
| SeaTac to Ozimek | 5,262.88 mi (8,469.79 km) |
| SeaTac to Ozorkow | 5,202.84 mi (8,373.16 km) |
| SeaTac to Pabianice | 5,224.41 mi (8,407.87 km) |
