The initial stretch of this state highway features it traveling to the northwest amidst a wooded landscape.

[4] Now in Monday Creek Township, SR 312 continues to travel in a northwesterly direction through gently rolling hills, with forested land providing the predominant backdrop, but the occasional patch of open field appears along the way, along with a few houses.

The landscape becomes more open in this area in the immediate vicinity of the highway, with woods dwelling further in the background.

Following a northwesterly trend as it passes through the southwestern part of the township, the state route meets Van Horn Road, and a short distance later, enters into Fairfield County.

[4] As it enters Rush Creek Township, SR 312 travels to the northwest, continuing amidst primarily open fields with houses appearing along the way, and woods situated further back.