How far is Twin Falls, ID from Iona, ID?
The driving distance from Twin Falls, ID to Iona, ID is about 167.3 miles (269.2 km), with a travel time of about 02h 50m by car.
- The straight-line flight distance is about 144 miles (231.7 km).
- For a round trip, plan for roughly 05h 41m 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 02h 50m.
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
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
The map below follows the saved road route between Twin Falls and Iona.
Turn-by-Turn Driving Directions
Step-by-step road directions between Twin Falls and Iona.
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1
Start on Shoshone Street East
1.2 km · 1 min · Shoshone Street East
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2
Turn left onto 2nd Avenue South
1.2 km · 1 min · 2nd Avenue South
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3
Continue on Kimberly Road
4.9 mi · 7 min · Kimberly Road
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4
Continue on East 3800 North
4.2 mi · 6 min · East 3800 North
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5
Continue on ID 50
2114 ft · 28 sec · ID 50
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6
Take the ramp straight
2203 ft · 54 sec
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7
Merge slight left onto Vietnam Veterans Memorial Highway
39.1 mi · 37 min · Vietnam Veterans Memorial Highway
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8
Continue straight
62.7 mi · 59 min
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9
Keep slight left to continue on Idaho Falls
3046 ft · 40 sec
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10
Merge slight right
46.3 mi · 44 min
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11
Take the exit slight right toward US 20 East, I 15: Rigby, West Yellowstone
1434 ft · 35 sec
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12
Continue on Rigby Highway
2 mi · 3 min · Rigby Highway
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13
Take the exit slight right toward US 20 Business: Lewisville, Idaho Falls
1314 ft · 35 sec
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14
Turn right onto North 5th East
115 m · 15 sec · North 5th East
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15
Turn left onto East Iona Road
2 mi · 4 min · East Iona Road
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16
Enter the roundabout and take exit 2 toward East Iona Road
34 m · 2 sec · East Iona Road
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17
Exit the roundabout onto East Iona Road
2 mi · 3 min · East Iona Road
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18
Enter the roundabout and take exit 2 toward the route
34 m · 2 sec
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19
Exit the roundabout
42 m · 4 sec
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20
Continue on East Iona Road
2849 ft · 1 min · East Iona Road
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21
Turn left onto Olson Avenue
129 m · 19 sec · Olson Avenue
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22
Arrive at your destination
0 m · 1 sec · Olson Avenue
Car Route Details
A richer read on the saved driving route between Twin Falls and Iona.
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
Continue straight
62.7 mi · 00h 59m
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 Twin Falls and Sunny near Iona.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Twin Falls to Iona?
The road trip is about 167.3 miles (269.2 km) and usually takes 02h 50m 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?
American Falls is a useful midpoint, sitting about 83.5 miles from Twin Falls and 83.8 miles from Iona.
How much longer is the road route than the straight-line distance?
The direct path is about 144 miles (231.7 km), while the road route adds roughly 23.3 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 12:48 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $22.97 one way or $45.94 round trip. Estimated CO2 is about 52.4 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Twin Falls and Sunny near Iona.
Flight Path Map
This map shows the direct air route between Twin Falls and Iona. Straight-line distance: 143.95 mi (231.66 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 Iona
City in Idaho, United States
| Population | 2,354 |
| Coordinates | 43.5263000, -111.9330200 |
| Altitude | 1458 |
| Country | United States |
End: Iona (-111.93302, 43.5263)
Estimated Travel Time
Distance: 269 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 34m |
| 40 mph (64.37 km/h) | 04h 10m |
| 50 mph (80.47 km/h) | 03h 20m |
| 60 mph (96.56 km/h) | 02h 47m |
| 70 mph (112.65 km/h) | 02h 23m |
| 80 mph (129 km/h) | 02h 05m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $22.97 | $45.94 |
| Mid-grade | $4.23 | $24.96 | $49.93 |
| Premium | $4.55 | $26.84 | $53.68 |
| Diesel | $5.41 | $31.93 | $63.86 |
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 · May 13, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.