The journey from Westphalia to Seattle covers approximately 3,200 kilometers. The most direct driving route follows I-29 North to I-90 West, crossing the Great Plains and the Northern Rockies. This is a major multi-day road trip taking roughly 30 hours of driving time. Flying from St. Louis Lambert International Airport to Seattle-Tacoma International Airport is the most practical option, taking about 4.5 hours.
Total Distance: 3,200 km driving, 2,700 km air distance.
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Direct
|
Direct
|
|
|---|---|---|
| Duration | 4.5 hours | 30 hours |
| Avg Price | 300-600 USD | 600-900 USD |
| Operator | Alaska Airlines | Personal Vehicle |
| Route | STL to SEA. | I-29 N to I-90 W via Sioux Falls and Billings. |
| Tip | Direct flights are available and save significant time. | The drive through Montana is stunning but requires careful planning for fuel stops. |
July to September for the best weather and outdoor activities.