Betelgeuse is about 600 light years from us. A light year is about 5,878,630,000,000 miles. So to travel there and back would be a journey of about 7,054,356,000,000,000 miles. Nothing can go faster than light and we cannot come anywhere close to going as fast as light. At the speed of light a round trip would be 1200 years. Even if we went at 25,000 miles per hour it would take us over 32 million years to get there and back.