San Antonio, Texas is close to the interstate highway I-37. It is neighboring other cities: Converse, TX (13.2mi/21m ); Universal City, TX (15.5mi/23m ); Helotes, TX (18.2mi/28m ). You can get to the city from exit 21 of i410tx (4.9mi/7m ); exit 20 of i410tx (2.4mi/4m ); exit 19b of i410tx (2.8mi/4m ). San Antonio, Texas can reach interstate highways: i410tx (4.9mi/7m ); i10 (7.7mi/12m ); i35 (10.6mi/15m ). It is also close to local highways: US 281 TX (4.3mi/7m ); TX FM 2696 (2.7mi/5m ); TX FM 1535 (4.1mi/7m ).