How far is Jefferson City, MT from Boise, ID?
The driving distance from Jefferson City, MT to Boise, ID is about 532.5 miles (857 km), with a travel time of about 08h 30m by car.
- The straight-line flight distance is about 279.9 miles (450.4 km).
- For a round trip, plan for roughly 17h 01m 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 30m.
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 Jefferson City and Boise.
Turn-by-Turn Driving Directions
Step-by-step road directions between Jefferson City and Boise.
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1
Start on Heidi Way
88 m · 15 sec · Heidi Way
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2
Turn right onto North Main Street
132 m · 14 sec · North Main Street
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3
Take the ramp right toward Butte
1621 ft · 40 sec
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4
Merge slight left
53.4 mi · 55 min
-
5
Keep slight right to continue on I 15 South: Dillon, Idaho Falls
245 mi · 3 hr 50 min
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6
Take the exit slight right toward I 86 West: Chubbuck, Twin Falls
1 km · 44 sec
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7
Continue straight
62.7 mi · 59 min
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8
Continue on Vietnam Veterans Memorial Highway
166.5 mi · 2 hr 36 min · Vietnam Veterans Memorial Highway
-
9
Take the exit slight right toward US 20, US 26: Broadway Avenue
1402 ft · 34 sec · Idaho Medal of Honor Highway
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10
Keep slight right to continue on Idaho Medal of Honor Highway
134 m · 13 sec · Idaho Medal of Honor Highway
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11
Turn right onto South Broadway Avenue
2.9 mi · 6 min · South Broadway Avenue
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12
Turn left onto East Front Street
1 km · 2 min · East Front Street
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13
Turn right
17 m · 4 sec
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14
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Jefferson City and Boise.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 15 South
Keep slight right to continue on I 15 South: Dillon, Idaho Falls
245 mi · 03h 50m
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.
Mostly Sunny leaving Jefferson City and Sunny near Boise.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Jefferson City to Boise?
The road trip is about 532.5 miles (857 km) and usually takes 08h 30m 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 265.8 miles from Jefferson City and 266.8 miles from Boise.
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 252.6 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 $79.50 one way or $159.00 round trip. Estimated CO2 is about 167 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Jefferson City and Sunny near Boise.
Flight Path Map
This map shows the direct air route between Jefferson City and Boise. Straight-line distance: 279.89 mi (450.44 km).
#1 Jefferson City
Town in Jefferson County, Tennessee, United States
| Population | 0 |
| Coordinates | 46.3882600, -112.0275000 |
| Altitude | 1391 |
| Country | United States |
#2 Boise
The capital of Idaho.
| Population | 228,959 |
| Coordinates | 43.6135000, -116.2034500 |
| Altitude | 823 |
| Country | United States |
End: Boise (-116.20345, 43.6135)
Estimated Travel Time
Distance: 857 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 17h 44m |
| 40 mph (64.37 km/h) | 13h 18m |
| 50 mph (80.47 km/h) | 10h 38m |
| 60 mph (96.56 km/h) | 08h 52m |
| 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 | $4.23 | $79.50 | $159.00 |
| Mid-grade | $4.56 | $85.63 | $171.25 |
| Premium | $4.91 | $92.26 | $184.52 |
| Diesel | $6.11 | $114.73 | $229.46 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
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