This 216.1-mile journey from Great Falls to Bigfork, Montana, is a straightforward, highway-focused drive that can comfortably be completed in about 4 hours and 10 minutes. Given its manageable duration and 94% highway share, it's an ideal one-day trip, so you won't need to worry about booking an overnight stay. You'll primarily be on US 89 and MT 83, with a brief segment of the First Special Service Force Memorial Highway. The estimated fuel cost for this trip is around $34, making it an economical option for exploring Montana's Mountain West region. This route offers a direct path through the state, perfect for those who prefer efficient travel.
Trip Pace
Same-day drive is realistic
A same-day return is possible, but it will make for a full day on the road.
Break Rhythm
1 planned break
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
108 miles from Great Falls, MT
A natural place for your longest stop of the day
, about 2h 2m into the drive
.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 4h 10m. Total distance: 216.1 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Expect a predominantly highway experience on this route, with 94% of the drive taking place on main roads like US 89 and MT 83. The longest uninterrupted stretch you'll encounter is 115.9 miles on US 89, so be prepared for extended periods of consistent driving. While largely a highway-focused profile, the transition between these main arteries ensures a dynamic yet smooth progression. The roads are designed for efficient travel, allowing you to cover significant ground without frequent interruptions, making for a predictable and steady drive.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 18 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
US 89 is the longest continuous segment at about 115.9 miles.
How Hard Is This Drive?
This is a straightforward highway drive that stays mostly on US 89 and MT 83. There are only a few real navigation decisions along the way. The trickiest moment comes early in the drive near 5th Avenue South.
Driving Effort3/10
Easy - simple navigation with a manageable amount of wheel time
Balances navigation complexity with total wheel time.
This is a straightforward 4h 10m drive. You will face about 14 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
The main spots that need attention: near the start (5th Avenue South): Navigation decision point; at 0.2 miles (2nd Street South): Complex interchange - multiple decisions in a short stretch; at 0.3 miles (3rd Avenue South): Navigation decision point.
Critical Maneuvers
5 of 14 key points
These are the spots where you need to pay the most attention. Preview them before you drive.
5
0 mi into trip|~0m in|5th Avenue South
Turn right onto 5th Avenue South
Navigation decision point
6
0.2 mi into trip|~0m in|2nd Street South
At end of road, turn right onto 2nd Street South
Complex interchange - multiple decisions in a short stretch
5
0.3 mi into trip|~1m in|3rd Avenue South
Turn left onto 3rd Avenue South
Navigation decision point
6
216 mi into trip|~4h 10m in|Grand Drive
At end of road, turn right onto Grand Drive
Complex interchange - multiple decisions in a short stretch
5
216.1 mi into trip|~4h 10m in|Cascade Avenue
Turn left onto Cascade Avenue
Navigation decision point
Main Roads
Road
Distance
Duration
US 89
115.9 mi
2h 11m
MT 83
82.6 mi
1h 34m
First Special Service Force Memorial Highway
9.4 mi
9m
MT 209
4.8 mi
8m
Central Avenue West
1.4 mi
1m
Bridge Street
0.5 mi
1m
River Drive South
0.4 mi
<1m
I 15 Business
0.2 mi
<1m
Longest stretch:
US 89
— 115.9 mi, about 2h 11m
Turn-by-Turn Driving Directions
Step-by-step road directions between Great Falls, MT and Bigfork, MT.
1
Start on 4th Street South
162 ft·9 sec·4th Street South
2
Turn right onto 5th Avenue South
0.2 mi·39 sec·5th Avenue South
3
At end of road, turn right onto 2nd Street South
0.1 mi·24 sec·2nd Street South
4
Turn left onto 3rd Avenue South
0.1 mi·19 sec·3rd Avenue South
5
At end of road, turn right onto River Drive South
0.4 mi·49 sec·River Drive South
6
Turn left onto I 15 Business
0.2 mi·26 sec·First Avenue North Bridge
7
Continue on I 15 Business
1.4 mi·1 min·Central Avenue West
8
Take the exit onto I 15 Business
0.2 mi·32 sec·I 15 Business
9
Merge onto I 15; US 89; MT 200
9.4 mi·9 min·First Special Service Force Memorial Highway
10
Take the exit onto US 89; MT 200
116 mi·2 hr 11 min·US 89; MT 200
Exit 290
11
Turn right onto MT 83
83 mi·1 hr 34 min·MT 83
12
Turn left onto MT 209
4.8 mi·8 min·MT 209
13
Turn right onto Bridge Street
0.2 mi·32 sec·Bridge Street
14
Continue on Bridge Street
0.3 mi·1 min·Bridge Street
15
Turn right onto Electric Avenue
0.1 mi·28 sec·Electric Avenue
16
At end of road, turn right onto Grand Drive
305 ft·19 sec·Grand Drive
17
Turn left onto Cascade Avenue
173 ft·7 sec·Cascade Avenue
18
Arrive at destination
Cascade Avenue
Trip Plan
Since this is a one-day trip totaling 216.1 miles and taking just over 4 hours, you have plenty of flexibility. Consider departing in the morning to maximize your daylight hours, especially if you plan to make a brief stop, as there's only one recommended stop point. The longest stretch without a major road change is over 115 miles, so plan your fuel stops accordingly, though the total fuel cost is a modest $34. Keep an eye on your fuel gauge as you travel primarily on US 89 and MT 83, as services can be spaced out between larger towns in Montana.
Morning Departure
An early start around 7-8 AM gets you there with plenty of daylight left.
Evening Departure
A late afternoon start means arriving after dark. Morning is better.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 108 miles from Great Falls, MT, or about 2h 2m into the drive.
The longest continuous stretch on this route runs about 115.9 miles.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 48 miles or 54m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 108 miles or 2h 2m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 3h 21m
Traffic, exits, and arrival timing usually matter more near Bigfork, MT than in the middle of the route.
Before You Leave
+
Open the route before leaving Great Falls, MT so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Great Falls, MT
This is one driving day of about 216.1 miles and 4h 10m.
Your first comfortable stop window is around 48 miles from Great Falls, MT.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on US 89 for about 115.9 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 108 mi from Great Falls, MT
· 2h 2m into the drive
Place data sourced from public business listings. Hours and availability may vary.
Fuel & Cost
Regular Gas
$34.24 one way
$68.49 round trip
$4.03/gal25.4 MPG avg76 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.22
$35.89
$71.79
premium
$4.53
$38.55
$77.10
diesel
$5.61
$47.71
$95.42
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$34
Meals
$25–$50
Total
$59–$84
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 75.6 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $23 in charging
· 0 stops
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
64.8
0
$22.69
$10.37
Efficient EV
54
0
$18.91
$8.64
EV Truck/SUV
86.4
1
$30.25
$13.83
Gas CO2
76 kg
EV CO2
25 kg (67% less)
Plan for 0 charging stops, roughly every 270 miles. Allow 25-40 minutes per stop at a DC fast charger.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Forecast as of Apr 15, 2026
Origin
Great Falls, MT
Late night
in Great Falls on Saturday
Local time
2:59 AM
MDT
Current temp
68°F
Unavailable
Live forecast
Destination
Bigfork, MT
Late night
in Bigfork on Saturday
Local time
2:59 AM
MDT
Current temp
46°F
Unavailable
Live forecast
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
22 degrees cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
4h 10m on the road
An early start around 7-8 AM gets you there with plenty of daylight left.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
Frequently Asked Questions
The drive from Great Falls, MT to Bigfork, MT covers 216.1 miles and takes about 4h 10m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are US 89, MT 83, First Special Service Force Memorial Highway. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 108 miles from Great Falls, MT. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $34.24 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
An early start around 7-8 AM gets you there with plenty of daylight left. A late afternoon start means arriving after dark. Morning is better.
Plan about 1 meaningful break for fuel, food, or rest. Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
This is a straightforward 4h 10m drive. You will face about 14 decision points, but nothing that requires special attention if you follow navigation.
The main spots that need attention: near the start (5th Avenue South): Navigation decision point; at 0.2 miles (2nd Street South): Complex interchange - multiple decisions in a short stretch; at 0.3 miles (3rd Avenue South): Navigation decision point.
The route from Great Falls, MT to Bigfork, MT does not surface many named destination signs beyond the main corridor.
