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Great data points on air travel to quell nervous nellies. "Over the past decade, according to BTS, there have been 99,320,309 commercial airline departures that either originated or landed within the United States. … These departures flew a collective 69,415,786,000 miles. … This distance is equivalent to 1,459,664 trips around the diameter of the Earth, 24,218 round trips to the Moon, or two round trips to Neptune. … There have been 7,015,630,000 passenger enplanements over the past decade."