Eureka is in Humboldt County in California. Most visitors choose to travel to the Redwood Coast by car to enjoy the spectacular scenery. Driving time from the San Francisco Bay Area is five or six hours of spectacular scenery through Sonoma, Mendocino and Humboldt Counties. The Eureka/Arcata airport is served by three air carriers, United Express, Delta Horizon Air, with daily flights from San Francisco, Salt Lake City, Sacramento, Los Angeles and Portland. The airport is located in the town of McKinleyville, 12 miles north of Eureka. Bus service is provided by Amtrak and Greyhound. Amtrak Thruway buses go from Eureka to the Capitol Corridor train at Martinez, northeast of San Francisco. You must have a ticket for a trip on the train to use Amtrak Thruway. Greyhound provides service to Oakland, California.