Answer:Marcel flew 4060 miles for Valentine's Day.
Explanation:
For Christmas, Marcel flew 6090 miles from New York to Japan.
For Valentine's Day, Marcel flew from New York to England. The distance from New York to England's is 2/3 of the distance from New York to Japan. This means that the number of miles that Marcel flew for Valentine's Day would be
2/3 × 6090 = 4060 miles