Oklahoma State Route 145 is a short east-west highway in North-Central Gravin County. This highway is about 3 miles long. OK St Rt 145 passes through the following town in Garvin County. Paoli OK St Rt 145 is not multi-plexed in Garvin County. OK St Rt 145 intersects the following highways in Garvin County. Interstate 35, near Paoli. U.S. Rt. 77, at Paoli.