How Long To Travel Forty Light Years?

How Long To Travel Forty Light Years? Thus, the TRAPPIST-1 star system is roughly 235 trillion miles away. Traveling at the speed of light, it would take approximately 40 years to reach TRAPPIST-1…which, in cosmic terms, is a neighborly jaunt. How long would it take to travel 1 Lightyear? It will take about 17500 years