Pool Info: Pool Chloramines. When any type of chlorine is added to water, it forms hypochlorous acid (HOCl - the most powerful killing form of chlorine in water) and hypochlorite ion (OCl-), a relatively weak form of chlorine in water. The percentage of HOCl and OCl- is determined primarily by the pH of the water.
Costa Rica is located between 8 and 12 degrees north of the  Equator. The total distance is 888.17 miles or 1429.36 kilometers.
If you're trying to figure out what time you'll arrive at the destination, you may want to see if there's a time difference between Washington, DC and San Jose, Costa Rica. The calculation of flight time is based on the straight line flight distance from Washington, DC to San Jose, Costa Rica (as the crow flies), which is about 2,041 miles or 3 284 kilometers. Your trip begins in Washington, District of Columbia. It ends in San Jose, Costa Rica. Your flight direction from Washington, DC to San Jose, Costa Rica is South (-166 degrees from North). The flight time calculator measures the average flight duration between points.