Route 371 is a highway in western Missouri. Its southern terminus is at Route 273 north of Tracy. Its northern terminus is at Route 752 in St. Joseph. It is a former alignment of U.S. Route 71 (US 71).

Route 371 is a highway that begins in St. Joseph, Missouri and ends in Tracy, north of Platte City. It begins at an intersection with Route 752. After this point, the highway stays mostly parallel and relatively close to I-29/US 71 It then intersects with Route H and shortly after Route DD. Northwest of Dearborn, it intersects with Route 116. Shortly after, it intersects with another Route H. Route H follows along the path of route 371 until after it reaches a town called New Market. Further south it intersects with Route U. It then intersects with Route 273 and shortly after ends at an interchange with I-29/US 71.

Previously, the route started farther north at Business Route I-29, before travelling southward past an interchange with Interstate 229, before reaching the interchange with Route 752.

County	Location	mi	km	Destinations	Notes
Platte	Fair Township	0.000	0.000	I-29 / US 71 – St. Joseph, Kansas City Route 273 begins	Southern end of Route 273 overlap; exit 20
		0.231	0.372	Route 273 north – Tracy	Northern end of Route 273 overlap
	Weston Township	5.245	8.441	Route U east to I-29 – Camden Point
	Green Township	8.604	13.847	Route H west – Weston	Southern end of Route H overlap
		9.698	15.607	Route H east to I-29 – Dearborn	Northern end of Route H overlap
Buchanan	Crawford Township	12.787	20.579	Route 116 to US 169 – Rushville
	Faucett	15.786	25.405	Route DD east to I-29
	Crawford Township	16.662	26.815	Route A north – St. Joseph
	Center Township	18.469	29.723	Route H east
		18.854	30.343	Route CC south – Taos
	St. Joseph	24.033– 24.086	38.677– 38.763	Route 752 to US 59
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Concurrency terminus