National City is a city located in the South Bay region of the San Diego metropolitan area, in southwestern San Diego County, California. The population was 58,582 at the 2010 census, up from 54,260 at the 2000 census. National City is the second-oldest city in San Diego County. Wikipedia
National City in United States offers a unique experience to travellers. National City is located at a short trip away from San Diego a major city in United States. So, ideally any vacation planner would recommend you to visit San Diego for its bountiful attractions like Palm Springs Aerial Tramway, Desert Riviera Hotel, Hotel California on your trip to National City. Also, to reach National City, 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!