Live Chat I-45 Community Nearby Traffic TX FM 646 2024-05-28 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to TX FM 646 Hitchcock, TX 8.74 Texas City, TX 9.33 La Marque, TX 10.84 Interstate highway exits close to TX FM 646 Exit 16, i45 6.14 Exit 15, i45 6.21 Exit 13, i45 6.64 Interstate highways close to TX FM 646 i45 map 6.14 i610tx map 41.26 i10 map 45.04 State roads close to TX FM 646 TX FM 646 map 0.05 TX TX 6 map 0.60 TX FM 1764 map 2.21