How far is Twin Falls, ID from Saint Anthony, ID?
The driving distance from Twin Falls, ID to Saint Anthony, ID is about 198.7 miles (319.7 km), with a travel time of about 03h 20m by car.
- The straight-line flight distance is about 170.1 miles (273.8 km).
- For a round trip, plan for roughly 06h 41m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM MDT.
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 03h 20m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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 then Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Twin Falls and Saint Anthony.
Turn-by-Turn Driving Directions
Step-by-step road directions between Twin Falls and Saint Anthony.
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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
3.1 mi · 4 min · Rigby Highway
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13
Continue on Idaho Medal of Honor Highway
15.4 mi · 16 min · Idaho Medal of Honor Highway
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14
Continue on Yellowstone Highway
17.2 mi · 18 min · Yellowstone Highway
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15
Continue on Idaho Medal of Honor Highway
1.9 mi · 2 min · Idaho Medal of Honor Highway
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16
Take the exit slight right
2004 ft · 54 sec
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17
Turn left onto South Bridge Street
1529 ft · 37 sec · South Bridge Street
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18
Turn right onto East Main Street
27 m · 4 sec · East Main Street
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19
Arrive at your destination
0 m · 1 sec · East Main Street
Car Route Details
A richer read on the saved driving route between Twin Falls and Saint Anthony.
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 longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Mostly Sunny leaving Twin Falls and Mostly Sunny then Chance Showers And Thunderstorms near Saint Anthony.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Twin Falls to Saint Anthony?
The road trip is about 198.7 miles (319.7 km) and usually takes 03h 20m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Aberdeen is a useful midpoint, sitting about 99.2 miles from Twin Falls and 99.4 miles from Saint Anthony.
How much longer is the road route than the straight-line distance?
The direct path is about 170.1 miles (273.8 km), while the road route adds roughly 28.6 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 8:00 AM MDT. If you want a more comfortable same-day return, try to leave by 10:18 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $27.29 one way or $54.58 round trip. Estimated CO2 is about 62.3 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Twin Falls and Mostly Sunny then Chance Showers And Thunderstorms near Saint Anthony.
Flight Path Map
This map shows the direct air route between Twin Falls and Saint Anthony. Straight-line distance: 170.13 mi (273.79 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 Saint Anthony
City in and county seat of Fremont County, Idaho, United States
| Population | 3,553 |
| Coordinates | 43.9663000, -111.6821800 |
| Altitude | 1514 |
| Country | United States |
End: Saint Anthony (-111.68218, 43.9663)
Estimated Travel Time
Distance: 320 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 37m |
| 40 mph (64.37 km/h) | 04h 57m |
| 50 mph (80.47 km/h) | 03h 58m |
| 60 mph (96.56 km/h) | 03h 18m |
| 70 mph (112.65 km/h) | 02h 50m |
| 80 mph (129 km/h) | 02h 28m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $27.29 | $54.58 |
| Mid-grade | $4.23 | $29.66 | $59.32 |
| Premium | $4.55 | $31.89 | $63.78 |
| Diesel | $5.41 | $37.94 | $75.88 |
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 26, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.