Estimated travel durations
The straight-line distance from Seattle to Las Vegas is 1,403 kilometers (872 miles). This is the crow-flies distance calculated using the Haversine formula.
A direct flight from Seattle to Las Vegas takes approximately 3h. This is an estimate based on an average cruising speed of 800 km/h and does not include boarding, taxiing or layover time.
Driving from Seattle to Las Vegas would take approximately 15h at an average speed of 85 km/h. The actual driving time may vary depending on road conditions, traffic and border crossings.
The distance from Seattle to Las Vegas is 872 miles (1,403 km) as the crow flies.