How far is Hailey, ID from Caldwell, ID?
The driving distance from Hailey, ID to Caldwell, ID is about 165.3 miles (266 km), with a travel time of about 02h 43m by car.
- The straight-line flight distance is about 119.1 miles (191.7 km).
- For a round trip, plan for roughly 05h 26m 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 43m.
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.
Rain And Snow Showers
Rain Showers
Driving Route Map
The map below follows the saved road route between Hailey and Caldwell.
Turn-by-Turn Driving Directions
Step-by-step road directions between Hailey and Caldwell.
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1
Start on South Main Street
14.4 mi · 21 min · South Main Street
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2
Turn right onto Idaho Medal of Honor Highway
41.7 mi · 48 min · Idaho Medal of Honor Highway
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3
Continue on Sun Valley Highway
40.8 mi · 47 min · Sun Valley Highway
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4
Take the ramp right toward I 84 West, US 20 West, US 26 West, US 30 West: Boise
1266 ft · 31 sec · Idaho Medal of Honor Highway
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5
Merge slight left onto Vietnam Veterans Memorial Highway
63 mi · 1 hr 4 min · Vietnam Veterans Memorial Highway
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6
Continue straight
3 mi · 3 min
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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 Hailey 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
63 mi · 01h 04m
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 And Snow Showers leaving Hailey 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 Hailey to Caldwell?
The road trip is about 165.3 miles (266 km) and usually takes 02h 43m 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 82.5 miles from Hailey and 82.8 miles from Caldwell.
How much longer is the road route than the straight-line distance?
The direct path is about 119.1 miles (191.7 km), while the road route adds roughly 46.2 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 1:04 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $22.70 one way or $45.39 round trip. Estimated CO2 is about 51.8 kg one way.
What should you check before leaving?
Before you leave, expect Rain And Snow Showers around Hailey and Rain Showers near Caldwell.
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.
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Flight Path Map
This map shows the direct air route between Hailey and Caldwell. Straight-line distance: 119.11 mi (191.69 km).
#1 Hailey
City in Idaho
| Population | 8,689 |
| Coordinates | 43.5196300, -114.3153200 |
| Altitude | 1621 |
| 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: 266 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 30m |
| 40 mph (64.37 km/h) | 04h 07m |
| 50 mph (80.47 km/h) | 03h 18m |
| 60 mph (96.56 km/h) | 02h 45m |
| 70 mph (112.65 km/h) | 02h 21m |
| 80 mph (129 km/h) | 02h 03m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $22.70 | $45.39 |
| Mid-grade | $4.23 | $24.67 | $49.33 |
| Premium | $4.55 | $26.52 | $53.04 |
| Diesel | $5.41 | $31.55 | $63.10 |
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.