How far is it from San Antonio to Houston hobby airport?

210 miles taking this route:

1. Take I-10 EAST from San Antonio to I-45 SOUTH to GALVESTON at EXIT 768B in DOWNTOWN HOUSTON.
2. Take I-45 SOUTH to BROADWAY ST (to HOBBY AIRPORT) at EXIT 39. Turn right at the SECOND LIGHT onto Broadway St - SOUTH to HOBBY AIRPORT.
3. Take Broadway St straight into Hobby Airport.