The journey from Vallejo to St. Louis is a cross-country trip of over 3,000 kilometers. Flying from SFO to St. Louis Lambert International (STL) is the most practical method, taking about 4 hours. St. Louis is a historic city known for the Gateway Arch and its role as the gateway to the American West.
Total Distance: 3,200 km driving, 2,900 km air distance.
Southwest operates frequent direct flights from SFO to STL.
Spring (April-May) or Fall (September-October) for the most pleasant weather.