Answer:
Distance between Seattle to Orlando to the nearest mile = 2545 miles
Step-by-step explanation:
Let the distance between Seattle and Orlando be d.
Due to the jet stream that blows from west to east, a plane flying nonstop from Seattle to Orlando flies at an average speed of 523 miles per hour.

The same plane flying from Orlando to Seattle travels at an average of 415 miles per hour.

The full round trip takes exactly 11 hours.
Total time taken is given by

Distance between Seattle to Orlando to the nearest mile = 2545 miles