Traveling from Cape Girardeau to Portland involves crossing the vast plains and mountain ranges of the American West. Most travelers prefer flying from St. Louis to Portland International Airport. The driving route covers over 3,300 kilometers via I-80 and I-84. Portland is known for its lush greenery and proximity to the Columbia River Gorge. Plan for at least two days of driving if you choose the road trip option.
Total Distance: 3,350 km driving distance; 2,600 km straight-line air distance.
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| Duration | 55 hours | 6 hours 30 mins |
| Avg Price | $250 - $450 | $300 - $550 |
| Operator | Greyhound | United Airlines |
| Route | Cape Girardeau to St. Louis, then cross-country bus lines. | STL to PDX via Chicago or Denver. |
| Tip | Prepare for multiple transfers and long layovers at major bus terminals. | Book your flight at least three weeks in advance for the best rates. |
July to September for the driest weather and outdoor festival season.