How far is Idaho Falls, ID from New Plymouth, ID?
The driving distance from Idaho Falls, ID to New Plymouth, ID is about 325.8 miles (524.4 km), with a travel time of about 05h 17m by car.
- The straight-line flight distance is about 241.4 miles (388.5 km).
- For a round trip, plan for roughly 10h 34m 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 05h 17m.
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 Idaho, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Partly Sunny
Driving Route Map
The map below follows the saved road route between Idaho Falls and New Plymouth.
Turn-by-Turn Driving Directions
Step-by-step road directions between Idaho Falls and New Plymouth.
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1
Start on Charleston Lane
46 m · 9 sec · Charleston Lane
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2
Turn right onto West Stone Run Lane
74 m · 16 sec · West Stone Run Lane
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3
Turn left onto Stonebrook Lane
142 m · 20 sec · Stonebrook Lane
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4
Turn left onto West Sunnyside Road
2.7 mi · 4 min · West Sunnyside Road
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5
Take the exit left toward Blackfook, Pocatello, Salt Lake City
1307 ft · 32 sec
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6
Merge slight left onto Veterans Memorial Highway
43.1 mi · 41 min · Veterans Memorial Highway
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7
Take the exit slight right toward I 86 West: Chubbuck, Twin Falls
1 km · 44 sec
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8
Continue straight
62.7 mi · 59 min
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9
Continue on Vietnam Veterans Memorial Highway
211.7 mi · 3 hr 25 min · Vietnam Veterans Memorial Highway
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10
Take the exit slight right toward US 30: New Plymouth
1026 ft · 18 sec
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11
Turn right
4.5 mi · 7 min
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12
Arrive at your destination
0 m · 1 sec · South East Avenue
Car Route Details
A richer read on the saved driving route between Idaho Falls and New Plymouth.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Vietnam Veterans Memorial Highway
Continue on Vietnam Veterans Memorial Highway
212 mi · 03h 25m
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 Idaho Falls and Partly Sunny near New Plymouth.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Idaho Falls to New Plymouth?
The road trip is about 325.8 miles (524.4 km) and usually takes 05h 17m 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?
Jerome is a useful midpoint, sitting about 162.7 miles from Idaho Falls and 163.2 miles from New Plymouth.
How much longer is the road route than the straight-line distance?
The direct path is about 241.4 miles (388.5 km), while the road route adds roughly 84.4 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 6:26 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $39.12 one way or $78.25 round trip. Estimated CO2 is about 89.3 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Idaho Falls and Partly Sunny near New Plymouth.
Stop Ideas Near Jerome
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 Jerome.
Twin Falls, Idaho
Flight Path Map
This map shows the direct air route between Idaho Falls and New Plymouth. Straight-line distance: 241.43 mi (388.54 km).
#1 Idaho Falls
The most populous city in Bonneville County, Idaho.
| Population | 62,888 |
| Coordinates | 43.4665800, -112.0341400 |
| Altitude | 1434 |
| Country | United States |
#2 New Plymouth
City in Payette County, Idaho, United States
| Population | 1,554 |
| Coordinates | 43.9698900, -116.8190400 |
| Altitude | 689 |
| Country | United States |
End: New Plymouth (-116.81904, 43.96989)
Estimated Travel Time
Distance: 524 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 51m |
| 40 mph (64.37 km/h) | 08h 08m |
| 50 mph (80.47 km/h) | 06h 31m |
| 60 mph (96.56 km/h) | 05h 25m |
| 70 mph (112.65 km/h) | 04h 39m |
| 80 mph (129 km/h) | 04h 03m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $39.12 | $78.25 |
| Mid-grade | $4.23 | $42.52 | $85.04 |
| Premium | $4.55 | $45.72 | $91.43 |
| Diesel | $5.41 | $54.39 | $108.78 |
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.