How far is Twin Falls, ID from Boise, ID?
The driving distance from Twin Falls, ID to Boise, ID is about 127.9 miles (205.9 km), with a travel time of about 01h 55m by car.
- The straight-line flight distance is about 114 miles (183.5 km).
- For a round trip, plan for roughly 03h 50m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM MDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 01h 55m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Elmore County, Idaho, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers
Slight Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Twin Falls and Boise.
Turn-by-Turn Driving Directions
Step-by-step road directions between Twin Falls and Boise.
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1
Start on Shoshone Street East
25 m · 4 sec · Shoshone Street East
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2
Turn right onto 11th Avenue East
69 m · 17 sec · 11th Avenue East
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3
Turn sharp right onto Addison Avenue
106 m · 18 sec · Addison Avenue
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4
Turn left onto Blue Lakes Boulevard North
2 mi · 4 min · Blue Lakes Boulevard North
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5
Continue on North 3000 East Road
3.7 mi · 5 min · North 3000 East Road
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6
Take the exit straight toward I 84 West
1.2 km · 2 min
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7
Merge slight left onto Vietnam Veterans Memorial Highway
118.2 mi · 1 hr 51 min · Vietnam Veterans Memorial Highway
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8
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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9
Keep slight right to continue on Idaho Medal of Honor Highway
134 m · 13 sec · Idaho Medal of Honor Highway
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10
Turn right onto South Broadway Avenue
2.9 mi · 6 min · South Broadway Avenue
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11
Turn left onto East Front Street
1 km · 2 min · East Front Street
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12
Turn right
17 m · 4 sec
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13
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Twin Falls and Boise.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Vietnam Veterans Memorial Highway
Merge slight left onto Vietnam Veterans Memorial Highway
118 mi · 01h 51m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Chance Rain Showers leaving Twin Falls and Slight Chance Rain Showers near Boise.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Twin Falls to Boise?
The road trip is about 127.9 miles (205.9 km) and usually takes 01h 55m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Glenns Ferry is a useful midpoint, sitting about 64.2 miles from Twin Falls and 63.7 miles from Boise.
How much longer is the road route than the straight-line distance?
The direct path is about 114 miles (183.5 km), while the road route adds roughly 13.9 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 8:00 AM to 10:00 AM MDT. If you want a more comfortable same-day return, try to leave by 2:40 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $17.56 one way or $35.11 round trip. Estimated CO2 is about 40.1 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Twin Falls and Slight Chance Rain Showers near Boise.
Stop Ideas Near Glenns Ferry
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Glenns Ferry.
Twin Falls, Idaho
Boise, Idaho
Flight Path Map
This map shows the direct air route between Twin Falls and Boise. Straight-line distance: 114.02 mi (183.49 km).
#1 Twin Falls
The most populous city in Twin Falls County, Idaho.
| Population | 50,197 |
| Coordinates | 42.5629700, -114.4608700 |
| Altitude | 1138 |
| Country | United States |
#2 Boise
The capital of Idaho.
| Population | 228,959 |
| Coordinates | 43.6135000, -116.2034500 |
| Altitude | 823 |
| Country | United States |
End: (-116.203299, 43.613424)
Estimated Travel Time
Distance: 206 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 15m |
| 40 mph (64.37 km/h) | 03h 11m |
| 50 mph (80.47 km/h) | 02h 33m |
| 60 mph (96.56 km/h) | 02h 07m |
| 70 mph (112.65 km/h) | 01h 49m |
| 80 mph (129 km/h) | 01h 35m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $17.56 | $35.11 |
| Mid-grade | $4.23 | $19.08 | $38.16 |
| Premium | $4.55 | $20.52 | $41.03 |
| Diesel | $5.41 | $24.41 | $48.82 |
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 · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.