How far is Idaho Falls, ID from Caldwell, ID?
The driving distance from Idaho Falls, ID to Caldwell, ID is about 303.9 miles (489.1 km), with a travel time of about 04h 13m by car.
- The straight-line flight distance is about 233.3 miles (375.5 km).
- For a round trip, plan for roughly 08h 27m 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 13m.
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 Twin Falls County, Idaho, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Idaho Falls and Caldwell.
Turn-by-Turn Driving Directions
Step-by-step road directions between Idaho Falls and Caldwell.
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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
-
9
Continue on Vietnam Veterans Memorial Highway
192.4 mi · 3 hr 6 min · Vietnam Veterans Memorial Highway
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10
Take the exit slight right toward US 20, US 26 East
1207 ft · 36 sec
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11
Turn left onto Franklin Road
2268 ft · 53 sec · Franklin Road
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12
Continue on North 21st Avenue
3239 ft · 1 min · North 21st Avenue
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13
Turn right onto Blaine Street
1.3 km · 2 min · Blaine Street
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14
Turn left onto South 10th Avenue
51 m · 10 sec · South 10th Avenue
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15
Turn left
21 m · 7 sec
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16
Turn right
24 m · 6 sec
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17
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Idaho Falls and Caldwell.
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
192 mi · 03h 06m
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.
Sunny leaving Idaho Falls and Sunny near Caldwell.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Idaho Falls to Caldwell?
The road trip is about 303.9 miles (489.1 km) and usually takes 04h 13m 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?
Kimberly is a useful midpoint, sitting about 151.8 miles from Idaho Falls and 152.1 miles from Caldwell.
How much longer is the road route than the straight-line distance?
The direct path is about 233.3 miles (375.5 km), while the road route adds roughly 70.6 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 8:32 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $41.77 one way or $83.54 round trip. Estimated CO2 is about 95.4 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Idaho Falls and Sunny near Caldwell.
Stop Ideas Near Kimberly
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 Kimberly.
Twin Falls, Idaho
Flight Path Map
This map shows the direct air route between Idaho Falls and Caldwell. Straight-line distance: 233.32 mi (375.5 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 Caldwell
The most populous city in Canyon County, Idaho.
| Population | 58,481 |
| Coordinates | 43.6629400, -116.6873600 |
| Altitude | 724 |
| Country | United States |
End: (-116.687278, 43.66289)
Estimated Travel Time
Distance: 489 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 07m |
| 40 mph (64.37 km/h) | 07h 35m |
| 50 mph (80.47 km/h) | 06h 04m |
| 60 mph (96.56 km/h) | 05h 03m |
| 70 mph (112.65 km/h) | 04h 20m |
| 80 mph (129 km/h) | 03h 47m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $41.77 | $83.54 |
| Mid-grade | $4.23 | $45.40 | $90.80 |
| Premium | $4.55 | $48.81 | $97.62 |
| Diesel | $5.41 | $58.07 | $116.14 |
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 30, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.