The most practical way to travel from Emeryville to Boulder is by flying from San Francisco International Airport (SFO) to Denver International Airport (DEN), then taking a shuttle or rental car to Boulder. The flight takes approximately 2.5 hours. Boulder is famous for its outdoor activities, the Flatirons, and its vibrant downtown.
Total Distance: Straight-line air distance 1,500 km.
DEN is about 45 minutes from Boulder by car or shuttle.
June to August for hiking, or December to March for skiing.