The trip from Yellow Grass to Lethbridge is a 500-kilometer drive. You will travel north on Highway 39 to Regina, then west on the Trans-Canada Highway (Highway 1) to Medicine Hat, and finally west on Highway 3 to Lethbridge. This is a standard drive that takes about 5.5 hours. The route is well-maintained and provides easy access between the two provinces.
Total Distance: 500 km driving, 460 km straight-line.
Highway 3 is a major route through Southern Alberta.
Year-round, though winter requires caution for snow and ice.