Highway 378
Route information
Maintained by Ministry of Highways and Infrastructure
Length	108.2 km[1] (67.2 mi)
Major junctions
West end	Hwy 4 near North Battleford
Major intersections	Hwy 324 near Redfield
North end	Hwy 3 in Spiritwood
Location
Country	Canada
Province	Saskatchewan
Rural municipalities	North Battleford, Douglas, Round Hill, Meeting Lake, Spiritwood
Highway system
Provincial highways in Saskatchewan
← Hwy 377 → Hwy 379

Highway 378 is a provincial highway in the Canadian province of Saskatchewan. It runs from Highway 4 near North Battleford to Highways Highway 3 in Spiritwood, just east of its intersection with Highway 24. It is about 108 kilometres (67 mi) long.^[1]

The highway has the distinction of travelling in both an east-west and north-south direction throughout its entire length.^{[clarification needed]}

Major intersections

From south to north:^[2]

Rural municipality	Location	km[1]	mi	Destinations	Notes
North Battleford No. 437	​	0.0	0.0	Hwy 4 – The Battlefords, Meadow Lake	Southern terminus; Hwy 378 travels east
	​	19.5	12.1	Hwy 687 south – Denholm	Hwy 378 branches north
Douglas No. 436	No major junctions
Round Hill No. 467	​	44.2	27.5	Hwy 324 east – Redfield, Mayfair
	Rabbit Lake	66.8	41.5
	​	67.9– 69.0	42.2– 42.9	Hwy 769 west / Hwy 794 north – Glenbush
Meeting Lake No. 466	​	76.6	47.6	Hwy 686 south – Mullingar
Spiritwood No. 496	Spiritwood	108.2	67.2	Hwy 3 to Hwy 24 – Glaslyn, Prince Albert	Northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi