If you're looking to go directly from San Diego Carlsbad-Palomar to Pechanga Resort Casino, expect a 1h 14min drive as they are around 24.8 mi apart. How far is Pechanga Resort Casino from San Diego Carlsbad-Palomar?.There is a $214/night difference in the average price of 4 star hotels in Temecula ($340/night) and the average nightly rate at Pechanga Resort Casino ($126/night). How does Pechanga Resort Casino compare to other 4 star hotels in Temecula?.