Missouri State Route 110 is a short seven mile route in Jefferson County. It runs from U.S. Rt. 67/Missouri Secondary State Route CC, near Olympian Village, to Missouri State Route 21, near De Soto. MO St Rt 110 passes through the following town in Jefferson County. De Soto MO St Rt 110 is not multi-plexed in Jefferson County. MO St Rt 110 intersects the following highways in Jefferson County. U.S. Rt. 67, near Olympian Village. Missouri Secondary State Route CC, near Olympian Village. Missouri Secondary State Route P, at De Soto. Missouri State Route 21, near De Soto.
A BGS on SB U.S. Rt. 67. A BGS on SB U.S. Rt. 67. A junction marker on SB MO St Rt 21.