Opened in 1959 as a horse racing track, slot machines were added in 1999 after legislation was passed in the New Mexico legislature allowing them. This equates to just about a 15 minute drive, which can extend to close to a half hour during rush hour. The only legal casino close to El Paso, Sunland Park is a New Mexico casino located 8.3 miles northwest of downtown. Sunland Park Racetrack and Casino (Yellow star on map) Sunland Park is the closest casino to El Paso, Texasīesides this casino just east of El Paso, the only other two casinos are another racetrack/casino, along with a beautiful Indian casino/resort – both a two hour-plus drive north into the Sacramento mountains.