In Chatfield SR 103, turns northeast concurrent with SR 4. The concurrency passes through the center of the village, before SR 103 turns due east, leaving SR 4. The route heads due east toward New Washing, passing through farmland. On the west side of New Washington the highway curves southeast, before curving back due east, passing through residential properties. In downtown the route turns due south, passing commercial properties and having an intersection with SR 602. At the intersection with SR 602, SR 103 turns southeast and SR 602 continues due south. The roadway passes more residential properties, before leaving New Washington. The route heads east through farmland, having an intersection with SR 39, before turning due north in rural Crawford County. The highway heads due north, until the Crawford–Huron county line, where SR 103 turns due east. SR 103 heads east as the county line, before turning due north towards Willard.