| SeaTac to Nyon | 5,248.06 mi (8,445.94 km) |
| SeaTac to Oberriet | 5,277.26 mi (8,492.92 km) |
| SeaTac to Obersiggenthal | 5,235.99 mi (8,426.52 km) |
| SeaTac to Oberwil | 5,216.09 mi (8,394.48 km) |
| SeaTac to Oberwingert | 5,245.97 mi (8,442.58 km) |
| SeaTac to Oftringen | 5,236.63 mi (8,427.54 km) |
| SeaTac to Olten | 5,234.27 mi (8,423.74 km) |
| SeaTac to Onex | 5,256.17 mi (8,458.99 km) |
| SeaTac to Opfikon | 5,245.92 mi (8,442.49 km) |
| SeaTac to Ostermundigen | 5,247.03 mi (8,444.27 km) |
| SeaTac to Payerne | 5,240.95 mi (8,434.50 km) |
| SeaTac to Pfaffikon | 5,255.16 mi (8,457.37 km) |
| SeaTac to Plan-les-Ouates | 5,257.57 mi (8,461.24 km) |
| SeaTac to Pratteln | 5,219.54 mi (8,400.03 km) |
| SeaTac to Prilly | 5,248.86 mi (8,447.23 km) |
