Diamond Shamrock 2025-01-13 Roadnow click anywhere on map to find more poi nearby Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Diamond Shamrock Spring, TX 10.48 mi Dobbin, TX 12.63 mi Conroe, TX 13.72 miInterstate highway exits close to Diamond Shamrock Exit 90, i45 16.15 mi Exit 91, i45 16.37 mi Exit 88, i45 16.51 miInterstate highways close to Diamond Shamrock i45 map 16.15 mi i10 map 60.58 mi i610tx map 61.25 miState roads close to Diamond Shamrock TX FM 149 1 map 4.59 mi TX 105 map 5.04 mi TX FM 149 map 12.13 mi