How far is Heyburn, ID from Caldwell, ID?
The driving distance from Heyburn, ID to Caldwell, ID is about 183.9 miles (296 km), with a travel time of about 02h 44m by car.
- The straight-line flight distance is about 166 miles (267.2 km).
- For a round trip, plan for roughly 05h 28m 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 44m.
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 County, Idaho, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers
Rain Showers
Driving Route Map
The map below follows the saved road route between Heyburn and Caldwell.
Turn-by-Turn Driving Directions
Step-by-step road directions between Heyburn and Caldwell.
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1
Start on O Street
1084 ft · 42 sec · O Street
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2
Turn left onto 21st Street
1 mi · 2 min · 21st Street
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3
Continue on E 5th N
2381 ft · 50 sec · E 5th N
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4
Turn right onto North Overland Avenue
3197 ft · 1 min · North Overland Avenue
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5
Turn left onto I-84: Twin Falls
1296 ft · 32 sec
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6
Merge slight left onto Vietnam Veterans Memorial Highway
178.8 mi · 2 hr 53 min · Vietnam Veterans Memorial Highway
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7
Take the exit slight right toward US 20, US 26 East
1207 ft · 36 sec
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8
Turn left onto Franklin Road
2268 ft · 53 sec · Franklin Road
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9
Continue on North 21st Avenue
3239 ft · 1 min · North 21st Avenue
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10
Turn right onto Blaine Street
1.3 km · 2 min · Blaine Street
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11
Turn left onto South 10th Avenue
51 m · 10 sec · South 10th Avenue
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12
Turn left
21 m · 7 sec
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13
Turn right
24 m · 6 sec
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14
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Heyburn and Caldwell.
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
Merge slight left onto Vietnam Veterans Memorial Highway
179 mi · 02h 53m
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.
Rain Showers leaving Heyburn and Rain Showers near Caldwell.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Heyburn to Caldwell?
The road trip is about 183.9 miles (296 km) and usually takes 02h 44m 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?
Glenns Ferry is a useful midpoint, sitting about 91.6 miles from Heyburn and 92.3 miles from Caldwell.
How much longer is the road route than the straight-line distance?
The direct path is about 166 miles (267.2 km), while the road route adds roughly 17.9 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 1:02 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $25.27 one way or $50.53 round trip. Estimated CO2 is about 57.7 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers around Heyburn and Rain Showers near Caldwell.
Stop Ideas Near Glenns Ferry
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 Glenns Ferry.
Twin Falls, Idaho
Boise, Idaho
Flight Path Map
This map shows the direct air route between Heyburn and Caldwell. Straight-line distance: 166.02 mi (267.18 km).
#1 Heyburn
City in Minidoka County, Idaho, United States
| Population | 3,447 |
| Coordinates | 42.5585200, -113.7639000 |
| Altitude | 1266 |
| 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: 296 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 07m |
| 40 mph (64.37 km/h) | 04h 35m |
| 50 mph (80.47 km/h) | 03h 40m |
| 60 mph (96.56 km/h) | 03h 03m |
| 70 mph (112.65 km/h) | 02h 37m |
| 80 mph (129 km/h) | 02h 17m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $25.27 | $50.53 |
| Mid-grade | $4.23 | $27.46 | $54.92 |
| Premium | $4.55 | $29.52 | $59.05 |
| Diesel | $5.41 | $35.12 | $70.25 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.