How far is Ketchum, ID from Caldwell, ID?
The driving distance from Ketchum, ID to Caldwell, ID is about 177.1 miles (285 km), with a travel time of about 02h 59m by car.
- The straight-line flight distance is about 116.1 miles (186.9 km).
- For a round trip, plan for roughly 05h 59m 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 59m.
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.
Light Snow then Snow Showers
Rain Showers
Driving Route Map
The map below follows the saved road route between Ketchum and Caldwell.
Turn-by-Turn Driving Directions
Step-by-step road directions between Ketchum and Caldwell.
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1
Start on the route
27 m · 12 sec
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2
Turn left onto East Sun Valley Road
47 m · 12 sec · East Sun Valley Road
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3
Turn left onto North Main Street
26.2 mi · 39 min · North Main Street
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4
Turn right onto Idaho Medal of Honor Highway
41.7 mi · 48 min · Idaho Medal of Honor Highway
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5
Continue on Sun Valley Highway
40.8 mi · 47 min · Sun Valley Highway
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6
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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7
Merge slight left onto Vietnam Veterans Memorial Highway
63 mi · 1 hr 4 min · Vietnam Veterans Memorial Highway
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8
Continue straight
3 mi · 3 min
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9
Take the exit slight right toward US 20, US 26 East
1207 ft · 36 sec
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10
Turn left onto Franklin Road
2268 ft · 53 sec · Franklin Road
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11
Continue on North 21st Avenue
3239 ft · 1 min · North 21st Avenue
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12
Turn right onto Blaine Street
1.3 km · 2 min · Blaine Street
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13
Turn left onto South 10th Avenue
51 m · 10 sec · South 10th Avenue
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14
Turn left
21 m · 7 sec
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15
Turn right
24 m · 6 sec
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16
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Ketchum 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.
Light Snow then Snow Showers leaving Ketchum 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 Ketchum to Caldwell?
The road trip is about 177.1 miles (285 km) and usually takes 02h 59m 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 88.4 miles from Ketchum and 88.7 miles from Caldwell.
How much longer is the road route than the straight-line distance?
The direct path is about 116.1 miles (186.9 km), while the road route adds roughly 61 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 12:30 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $24.33 one way or $48.66 round trip. Estimated CO2 is about 55.5 kg one way.
What should you check before leaving?
Before you leave, expect Light Snow then Snow Showers around Ketchum 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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Twin Falls, Idaho
Flight Path Map
This map shows the direct air route between Ketchum and Caldwell. Straight-line distance: 116.13 mi (186.89 km).
#1 Ketchum
City in Blaine County, Idaho, United States
| Population | 2,855 |
| Coordinates | 43.6807400, -114.3636600 |
| Altitude | 1784 |
| 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: 285 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 54m |
| 40 mph (64.37 km/h) | 04h 25m |
| 50 mph (80.47 km/h) | 03h 32m |
| 60 mph (96.56 km/h) | 02h 57m |
| 70 mph (112.65 km/h) | 02h 31m |
| 80 mph (129 km/h) | 02h 12m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $24.33 | $48.66 |
| Mid-grade | $4.23 | $26.44 | $52.89 |
| Premium | $4.55 | $28.43 | $56.86 |
| Diesel | $5.41 | $33.83 | $67.65 |
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.