How far is Irwin, ID from Idaho Falls, ID?
The driving distance from Irwin, ID to Idaho Falls, ID is about 48.9 miles (78.7 km), with a travel time of about 01h 02m by car.
- The straight-line flight distance is about 37.1 miles (59.7 km).
- For a round trip, plan for roughly 02h 05m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM MST.
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 02m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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 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 Irwin and Idaho Falls.
Turn-by-Turn Driving Directions
Step-by-step road directions between Irwin and Idaho Falls.
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1
Start on the route
109 m · 31 sec
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2
At the end of the road, turn left onto Swan Valley Highway
32.2 mi · 39 min · Swan Valley Highway
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3
Continue on East Ririe Highway
9.5 mi · 11 min · East Ririe Highway
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4
Continue on North Yellowstone Highway
3.3 mi · 5 min · North Yellowstone Highway
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5
Continue on Northgate Mile
2812 ft · 39 sec · Northgate Mile
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6
Turn slight left onto South Holmes Avenue
2.6 mi · 5 min · South Holmes Avenue
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7
Turn right onto East Sunnyside Road
2578 ft · 51 sec · East Sunnyside Road
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8
Turn left onto Stonebrook Lane
142 m · 15 sec · Stonebrook Lane
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9
Turn right onto West Stone Run Lane
74 m · 16 sec · West Stone Run Lane
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10
Turn left onto Charleston Lane
46 m · 7 sec · Charleston Lane
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11
Arrive at your destination
0 m · 1 sec · Charleston Lane
Car Route Details
A richer read on the saved driving route between Irwin and Idaho Falls.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Swan Valley Highway
At the end of the road, turn left onto Swan Valley Highway
32.2 mi · 00h 39m
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.
Sunny leaving Irwin and Mostly Sunny near Idaho Falls.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Irwin to Idaho Falls?
The road trip is about 48.9 miles (78.7 km) and usually takes 01h 02m 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?
Ririe is a useful midpoint, sitting about 24.4 miles from Irwin and 24.5 miles from Idaho Falls.
How much longer is the road route than the straight-line distance?
The direct path is about 37.1 miles (59.7 km), while the road route adds roughly 11.8 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 MST. If you want a more comfortable same-day return, try to leave by 4:24 PM MST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $7.68 one way or $15.36 round trip. Estimated CO2 is about 15.4 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Irwin and Mostly Sunny near Idaho Falls.
Flight Path Map
This map shows the direct air route between Irwin and Idaho Falls. Straight-line distance: 37.08 mi (59.67 km).
#1 Irwin
City in Bonneville County, Idaho, United States
| Population | 247 |
| Coordinates | 43.4085300, -111.2993900 |
| Altitude | 1623 |
| Country | United States |
#2 Idaho Falls
The most populous city in Bonneville County, Idaho.
| Population | 62,888 |
| Coordinates | 43.4665800, -112.0341400 |
| Altitude | 1434 |
| Country | United States |
End: Idaho Falls (-112.03414, 43.46658)
Estimated Travel Time
Distance: 79 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 37m |
| 40 mph (64.37 km/h) | 01h 13m |
| 50 mph (80.47 km/h) | 00h 58m |
| 60 mph (96.56 km/h) | 00h 48m |
| 70 mph (112.65 km/h) | 00h 41m |
| 80 mph (129 km/h) | 00h 36m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.44 | $7.68 | $15.36 |
| Mid-grade | $4.77 | $8.25 | $16.49 |
| Premium | $5.04 | $8.71 | $17.42 |
| Diesel | $6.47 | $11.20 | $22.39 |
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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