El Centro in United States offers a unique experience to travellers. After your splendid visit to El Centro, you can proceed to an important near-by city of San Diego. San Diego is bestowed with interesting set of attractions for every type of traveller. Also, to reach El Centro, you'll have to take a flight to San Diego; so its not really a detour. And even if it is, the city is worth paying at least a quick visit. Get in the character of the city, this city requires at least of 1 to 2 number of days of exploration.
Yes,it is that simple really! Enjoy your trip! Keep travelling!