| SeaTac to Norwich | 4,767.78 mi (7,672.99 km) |
| SeaTac to Nottingham | 4,687.38 mi (7,543.61 km) |
| SeaTac to Nuneaton | 4,702.26 mi (7,567.55 km) |
| SeaTac to Oadby | 4,708.45 mi (7,577.52 km) |
| SeaTac to Oakengates | 4,667.03 mi (7,510.86 km) |
| SeaTac to Oakham | 4,713.51 mi (7,585.66 km) |
| SeaTac to Oldbury | 4,688.75 mi (7,545.81 km) |
| SeaTac to Oldham | 4,630.48 mi (7,452.04 km) |
| SeaTac to Ollerton | 4,677.45 mi (7,527.62 km) |
| SeaTac to Olton | 4,697.93 mi (7,560.59 km) |
| SeaTac to Omagh | 4,438.11 mi (7,142.45 km) |
| SeaTac to Ormesby | 4,600.75 mi (7,404.19 km) |
| SeaTac to Ormskirk | 4,609.14 mi (7,417.69 km) |
| SeaTac to Orpington | 4,805.89 mi (7,734.33 km) |
| SeaTac to Ossett | 4,637.16 mi (7,462.79 km) |
