| Sammamish to Nyon | 5,232.36 mi (8,420.66 km) |
| Sammamish to Oberriet | 5,261.73 mi (8,467.94 km) |
| Sammamish to Obersiggenthal | 5,220.42 mi (8,401.45 km) |
| Sammamish to Oberwil | 5,200.48 mi (8,369.37 km) |
| Sammamish to Oberwingert | 5,230.42 mi (8,417.55 km) |
| Sammamish to Oftringen | 5,221.03 mi (8,402.44 km) |
| Sammamish to Olten | 5,218.67 mi (8,398.63 km) |
| Sammamish to Onex | 5,240.45 mi (8,433.69 km) |
| Sammamish to Opfikon | 5,230.35 mi (8,417.44 km) |
| Sammamish to Ostermundigen | 5,231.39 mi (8,419.11 km) |
| Sammamish to Payerne | 5,225.29 mi (8,409.29 km) |
| Sammamish to Pfaffikon | 5,239.60 mi (8,432.33 km) |
| Sammamish to Plan-les-Ouates | 5,241.85 mi (8,435.94 km) |
| Sammamish to Pratteln | 5,203.94 mi (8,374.93 km) |
| Sammamish to Prilly | 5,233.17 mi (8,421.98 km) |
