You'll need to rent a car to travel around Bell, California. The travel cost would be around $40-$60 per day for a rental car with an average travel time of about 20-30 minutes from one attraction to another.
If you have more time, try visiting the Natural History Museum of Los Angeles, the Huntington Library, Art Collections, and Botanical Gardens for more natural scenery. If you have less time, skip Disneyland Park and explore the scenic scenery of Bell Gardens Park or the bike trail along the Los Angeles River.
The nearest airport to Bell, California is the Los Angeles International Airport (LAX). It is located 20 miles away from the city center, with airport code LAX. Alternatively, you could use the Long Beach Airport (LGB) which is located 11 miles from Bell.