How far is New Plymouth, ID from Twin Falls, ID?
The driving distance from New Plymouth, ID to Twin Falls, ID is about 173.5 miles (279.2 km), with a travel time of about 02h 36m by car.
- The straight-line flight distance is about 153.4 miles (246.8 km).
- For a round trip, plan for roughly 05h 13m 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 36m.
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 Elmore, Idaho, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between New Plymouth and Twin Falls.
Turn-by-Turn Driving Directions
Step-by-step road directions between New Plymouth and Twin Falls.
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1
Start on South East Avenue
4.6 mi · 7 min · South East Avenue
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2
Take the ramp left
1340 ft · 21 sec
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3
Merge slight left onto Vietnam Veterans Memorial Highway
16.9 mi · 16 min · Vietnam Veterans Memorial Highway
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4
Continue on Idaho Medal of Honor Highway
1.1 km · 48 sec · Idaho Medal of Honor Highway
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5
Continue on Vietnam Veterans Memorial Highway
21.7 mi · 25 min · Vietnam Veterans Memorial Highway
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6
Keep slight right to continue on Vietnam Veterans Memorial Highway
123.3 mi · 1 hr 57 min · Vietnam Veterans Memorial Highway
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7
Take the exit slight right toward US 93: Twin Falls, Sun Valley
1.1 km · 1 min
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8
Keep slight left
954 ft · 27 sec
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9
Turn right
5.3 mi · 9 min
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10
Turn slight right onto Shoshone Street East
46 m · 3 sec · Shoshone Street East
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11
Arrive at your destination
0 m · 1 sec · Shoshone Street East
Car Route Details
A richer read on the saved driving route between New Plymouth and Twin 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.
Vietnam Veterans Memorial Highway
Keep slight right to continue on Vietnam Veterans Memorial Highway
123 mi · 01h 57m
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.
Partly Sunny leaving New Plymouth and Mostly Sunny near Twin Falls.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from New Plymouth to Twin Falls?
The road trip is about 173.5 miles (279.2 km) and usually takes 02h 36m 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?
Mountain Home is a useful midpoint, sitting about 86.7 miles from New Plymouth and 86.8 miles from Twin Falls.
How much longer is the road route than the straight-line distance?
The direct path is about 153.4 miles (246.8 km), while the road route adds roughly 20.1 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 1:16 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $23.83 one way or $47.65 round trip. Estimated CO2 is about 54.4 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around New Plymouth and Mostly Sunny near Twin Falls.
Stop Ideas Near Mountain Home
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 Mountain Home.
Boise, Idaho
Nampa, Idaho
Twin Falls, Idaho
Flight Path Map
This map shows the direct air route between New Plymouth and Twin Falls. Straight-line distance: 153.37 mi (246.83 km).
#1 New Plymouth
City in Payette County, Idaho, United States
| Population | 1,554 |
| Coordinates | 43.9698900, -116.8190400 |
| Altitude | 689 |
| Country | United States |
#2 Twin Falls
The most populous city in Twin Falls County, Idaho.
| Population | 50,197 |
| Coordinates | 42.5629700, -114.4608700 |
| Altitude | 1138 |
| Country | United States |
End: Shoshone Street East (-114.460704, 42.56285)
Estimated Travel Time
Distance: 279 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 46m |
| 40 mph (64.37 km/h) | 04h 20m |
| 50 mph (80.47 km/h) | 03h 28m |
| 60 mph (96.56 km/h) | 02h 53m |
| 70 mph (112.65 km/h) | 02h 28m |
| 80 mph (129 km/h) | 02h 09m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $23.83 | $47.65 |
| Mid-grade | $4.23 | $25.89 | $51.79 |
| Premium | $4.55 | $27.84 | $55.68 |
| Diesel | $5.41 | $33.12 | $66.24 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.