The journey from McCall to Bozeman spans approximately 750 kilometers through the rugged Northern Rockies. You will primarily navigate via ID-55 south to Boise, then transition to I-84 East and I-90 East. This route takes roughly 8 hours of pure driving time depending on mountain pass conditions. You will cross the Continental Divide near the Idaho-Montana border. Expect dramatic elevation changes and winding canyon roads throughout the trip.
Total Distance: 750 km driving distance; 480 km straight-line air distance.
Check the Idaho 511 website for real-time pass closures before departing.
July through September for clear mountain passes and minimal snow risk.