The journey from South Riding to San Francisco is approximately 2,500 miles. Flying from Dulles (IAD) to San Francisco International (SFO) is the only practical method, taking about 6 hours. Driving is a massive cross-country trip of over 40 hours.
Total Distance: Driving distance 4,500 km, straight-line air distance 4,000 km.
SFO is a major hub; allow extra time for security.
Spring and Fall offer the most comfortable temperatures.