União is located in Brazil (Piauí) and time zone America/Fortaleza.
Places nearby are José de Freitas, Coelho Neto and Miguel Alves.
Fortaleza is 359 km away, Salvador is 987 km away and Manaus is 1,383 km away as the crow flies.
Distances from União to the most important cities in Brazil and the world.
-4.5858300°
-42.8641700°