| SeaTac to Oswaldtwistle | 4,612.70 mi (7,423.43 km) |
| SeaTac to Oswestry | 4,642.20 mi (7,470.90 km) |
| SeaTac to Otley | 4,622.35 mi (7,438.96 km) |
| SeaTac to Ovenden | 4,626.08 mi (7,444.95 km) |
| SeaTac to Oxford | 4,749.45 mi (7,643.51 km) |
| SeaTac to Oxted | 4,809.55 mi (7,740.22 km) |
| SeaTac to Padbury | 4,745.69 mi (7,637.45 km) |
| SeaTac to Padiham | 4,611.96 mi (7,422.24 km) |
| SeaTac to Paignton | 4,757.29 mi (7,656.11 km) |
| SeaTac to Paisley | 4,449.76 mi (7,161.19 km) |
| SeaTac to Palmers Green | 4,787.10 mi (7,704.09 km) |
| SeaTac to Parkstone | 4,787.12 mi (7,704.12 km) |
| SeaTac to Partick | 4,451.36 mi (7,163.77 km) |
| SeaTac to Patcham | 4,827.25 mi (7,768.71 km) |
| SeaTac to Peebles | 4,491.41 mi (7,228.23 km) |
