Live Chat I-40 Community Nearby Traffic I 40 exit 138 2024-04-24 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to I-40 Exit 138 Oklahoma City, OK 9.80 Bethany, OK 10.20 Mustang, OK 11.36 Interstate highway exits close to I-40 Exit 138 Exit 136, i40 0.98 Exit 137, i40 1.57 Exit 138, i40 3.29 Interstate highways close to I-40 Exit 138 i40 map 0.98 i44 map 15.52 i240ok map 18.97 State roads close to I-40 Exit 138 US 270 OK map 0.76 OK 66 map 13.70 US 81 OK map 16.95