The drive from Sumter to San Francisco is approximately 2900 miles. You will head west on I-40 and then I-80, which takes you through the heart of the country and into the mountains. San Francisco is known for its iconic bridge, museums, and food scene.
Total Distance: 4670 km driving distance; 4000 km straight-line air distance.
The route is straightforward but can have heavy traffic near major cities.
Spring and fall for pleasant weather.