The journey from Annapolis to St. Louis spans approximately 1,000 miles across the heart of the United States. Most travelers prefer flying from Baltimore/Washington International (BWI) to St. Louis Lambert International (STL) for speed. Driving via I-70 West offers a scenic route through the Appalachian Mountains and Ohio Valley. You will cross the Mississippi River upon arrival in Missouri. This route connects the historic Chesapeake Bay region with the Gateway to the West.
Total Distance: Driving distance 1,650 km, straight-line air distance 1,420 km.
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Connecting
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Direct
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|---|---|---|
| Duration | 4 hours 30 mins | 16 hours |
| Avg Price | $180 - $400 | $160 - $220 in fuel |
| Operator | Southwest Airlines | Personal Vehicle |
| Route | BWI to STL via Chicago or Atlanta hubs. | I-70 West through Pennsylvania, Ohio, Indiana, and Illinois. |
| Tip | Book at least three weeks in advance to secure lower fares on Southwest. | Expect heavy traffic near Indianapolis and Columbus during rush hour. |
May through September for mild weather and outdoor festival access in St. Louis.