How far is New Plymouth, ID from Idaho Falls, ID?
The driving distance from New Plymouth, ID to Idaho Falls, ID is about 325.9 miles (524.5 km), with a travel time of about 04h 41m by car.
- The straight-line flight distance is about 241.4 miles (388.5 km).
- For a round trip, plan for roughly 09h 22m 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 04h 41m.
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.
Partly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between New Plymouth and Idaho Falls.
Turn-by-Turn Driving Directions
Step-by-step road directions between New Plymouth and Idaho 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
172.3 mi · 2 hr 43 min · Vietnam Veterans Memorial Highway
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7
Continue straight
62.7 mi · 59 min
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8
Keep slight left to continue on Idaho Falls
3046 ft · 40 sec
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9
Merge slight right
43.2 mi · 41 min
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10
Take the exit slight right toward I 15 Business, US 26: Ammon, Jackson
1448 ft · 36 sec
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11
Turn right onto West Sunnyside Road
2.6 mi · 4 min · West Sunnyside Road
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12
Turn right onto Stonebrook Lane
142 m · 15 sec · Stonebrook Lane
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13
Turn right onto West Stone Run Lane
74 m · 16 sec · West Stone Run Lane
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14
Turn left onto Charleston Lane
46 m · 7 sec · Charleston Lane
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15
Arrive at your destination
0 m · 1 sec · Charleston Lane
Car Route Details
A richer read on the saved driving route between New Plymouth and Idaho Falls.
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
Keep slight right to continue on Vietnam Veterans Memorial Highway
172 mi · 02h 43m
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.
Partly Sunny leaving New Plymouth 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 New Plymouth to Idaho Falls?
The road trip is about 325.9 miles (524.5 km) and usually takes 04h 41m 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 162.8 miles from New Plymouth and 163.2 miles from Idaho Falls.
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 84.5 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 7:38 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $44.77 one way or $89.54 round trip. Estimated CO2 is about 102.2 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around New Plymouth and Mostly Sunny near Idaho Falls.
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 New Plymouth and Idaho Falls. Straight-line distance: 241.43 mi (388.54 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 Idaho Falls
The most populous city in Bonneville County, Idaho.
| Population | 62,888 |
| Coordinates | 43.4665800, -112.0341400 |
| Altitude | 1434 |
| Country | United States |
End: Charleston Lane (-112.034479, 43.46658)
Estimated Travel Time
Distance: 525 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 | $44.77 | $89.54 |
| Mid-grade | $4.23 | $48.66 | $97.31 |
| Premium | $4.55 | $52.31 | $104.63 |
| Diesel | $5.41 | $62.24 | $124.48 |
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.