If someone traveled 500 million light years a second, how long would they travel in a year?

500 mill a second
60x500=30,000 mill a minute
60x30,000=1,800,000 mill an hour
24x1,800,000=43,200,000 mill a day
365.25x43,200,000=15,778,800,000 mill a year
SO 15,778,800,000,000,000 light years would be the distance travelled in one year.