The journey from Cape Girardeau to Seattle spans approximately 3,500 kilometers across the heart of the United States. Most travelers fly from St. Louis Lambert International Airport to Seattle-Tacoma International Airport to save time. Driving requires navigating I-70 West and I-90 West through the Rocky Mountains. Expect a multi-day drive if choosing the road route. This trip transitions from the Mississippi River valley to the Pacific Northwest coastline.
Total Distance: 3,500 km driving distance; 2,700 km straight-line air distance.
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Connecting
|
Direct
|
|
|---|---|---|
| Duration | 7 hours | 34 hours |
| Avg Price | $350 - $600 | $500 - $800 in fuel |
| Operator | Alaska Airlines | Personal Vehicle |
| Route | STL to SEA via Denver or Salt Lake City. | I-55 N to I-70 W to I-90 W. |
| Tip | Book your flight from St. Louis to avoid the two-hour drive from Cape Girardeau. | Check your tire pressure before crossing the high-altitude passes in Montana. |
June through September for clear mountain passes and mild coastal weather.