Here's the Amazon checklist from their website. Elitches is ideal!!
Requirement Denver Response
1. Proximity to population center: less 30 Miles YES - Downtown
2. Proximity to International airport: Within approx. 45 Minutes YES
3. Proximity to major highways and arterial roads Not more than 1-2 Miles YES
4. Close to major arterial roads to provide optimal access. YES
5. Access to mass transit YES - Light rail on site
6. Direct access to rail, train, subway/metro, bus routes YES - Union Station Transport Center 1/2 mile
7. Initial Square Foot Requirement 500,000+ Sq. Ft. Phase I (2019) YES
8. Total Square Foot Requirement Up to 8,000,000 Sq. Ft. Beyond 2027 HELL YEA
Here's your site plan, Amazon!!! All the boxes are checked!!