How far is Boise, ID from Jefferson City, MT?
The driving distance from Boise, ID to Jefferson City, MT is about 533 miles (857.8 km), with a travel time of about 08h 31m by car.
- The straight-line flight distance is about 279.9 miles (450.4 km).
- For a round trip, plan for roughly 17h 03m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM MST.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 08h 31m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Bingham County, Idaho, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Boise and Jefferson City.
Turn-by-Turn Driving Directions
Step-by-step road directions between Boise and Jefferson City.
-
1
Start on the route
36 m · 11 sec
-
2
Turn right
80 m · 21 sec
-
3
Turn right onto South 6th Street
849 ft · 39 sec · South 6th Street
-
4
Turn left onto West Myrtle Street
1 km · 1 min · West Myrtle Street
-
5
Turn right onto South Broadway Avenue
2.8 mi · 6 min · South Broadway Avenue
-
6
Take the ramp left toward I 84 East
2049 ft · 46 sec · Idaho Medal of Honor Highway
-
7
Continue on Vietnam Veterans Memorial Highway
166.5 mi · 2 hr 36 min · Vietnam Veterans Memorial Highway
-
8
Continue straight
62.7 mi · 59 min
-
9
Keep slight left to continue on Idaho Falls
3046 ft · 40 sec
-
10
Merge slight right
247.7 mi · 3 hr 53 min
-
11
Keep slight right
4.8 mi · 5 min
-
12
Take the exit slight right toward I 15 North: Helena
46.3 mi · 46 min
-
13
Take the exit slight right toward Jefferson City
1293 ft · 37 sec
-
14
Turn left onto North Main Street
833 ft · 28 sec · North Main Street
-
15
At the end of the road, turn left onto South Main
88 m · 13 sec · South Main
-
16
Arrive at your destination
0 m · 1 sec · Heidi Way
Car Route Details
A richer read on the saved driving route between Boise and Jefferson City.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Idaho Falls
Merge slight right
248 mi · 03h 53m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Sunny leaving Boise and Mostly Sunny near Jefferson City.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Boise to Jefferson City?
The road trip is about 533 miles (857.8 km) and usually takes 08h 31m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Firth is a useful midpoint, sitting about 266.3 miles from Boise and 266.8 miles from Jefferson City.
How much longer is the road route than the straight-line distance?
The direct path is about 279.9 miles (450.4 km), while the road route adds roughly 253.1 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 6:00 AM to 7:30 AM MST. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $83.52 one way or $167.03 round trip. Estimated CO2 is about 167.2 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Boise and Mostly Sunny near Jefferson City.
Flight Path Map
This map shows the direct air route between Boise and Jefferson City. Straight-line distance: 279.89 mi (450.44 km).
#1 Boise
The capital of Idaho.
| Population | 228,959 |
| Coordinates | 43.6135000, -116.2034500 |
| Altitude | 823 |
| Country | United States |
#2 Jefferson City
Town in Jefferson County, Tennessee, United States
| Population | 0 |
| Coordinates | 46.3882600, -112.0275000 |
| Altitude | 1391 |
| Country | United States |
End: Jefferson City (-112.0275, 46.38826)
Estimated Travel Time
Distance: 858 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 17h 45m |
| 40 mph (64.37 km/h) | 13h 19m |
| 50 mph (80.47 km/h) | 10h 39m |
| 60 mph (96.56 km/h) | 08h 53m |
| 70 mph (112.65 km/h) | 07h 36m |
| 80 mph (129 km/h) | 06h 38m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.44 | $83.52 | $167.03 |
| Mid-grade | $4.77 | $89.67 | $179.33 |
| Premium | $5.04 | $94.71 | $189.42 |
| Diesel | $6.47 | $121.74 | $243.48 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Idaho · Nov 06, 2026