Bismarck, ND to Helena, MT
State capital to state capital route
12h 35m
Drive Time
693
Miles
$80
Gas Cost
5
Stops
Route Details
Distance693 miles
Drive Time12h 35min
Avg Speed55 mph
TrafficLight to Moderate
Cost Breakdown
Gas (30 MPG)$80
Tolls (est.)$0-20
Food/Snacks$15-30
Total$95-$130
Approximate route shown. Use Google Maps for turn-by-turn directions.
Open in Google Maps ⚡ View EV RouteFAQ
How long is the drive from Bismarck, ND to Helena, MT?
The drive takes approximately 12 hours and 35 minutes covering 693 miles.
How much gas will I need?
At 30 MPG, you'll use about 23 gallons of gas, costing approximately $80 at $3.50/gallon.
What's the best time to leave?
Early morning (6-8 AM) is ideal to avoid rush hour traffic in both cities.