How far is Caldwell, ID from Mountain Home, ID?
The driving distance from Caldwell, ID to Mountain Home, ID is about 67.6 miles (108.8 km), with a travel time of about 01h 05m by car.
- The straight-line flight distance is about 62 miles (99.8 km).
- For a round trip, plan for roughly 02h 10m 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 01h 05m.
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.
The capital of Idaho.
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 Caldwell and Mountain Home.
Turn-by-Turn Driving Directions
Step-by-step road directions between Caldwell and Mountain Home.
-
1
Start on the route
28 m · 12 sec
-
2
Turn left onto Cleveland Boulevard
22 m · 4 sec · Cleveland Boulevard
-
3
Turn right
43 m · 13 sec
-
4
Turn right
46 m · 13 sec
-
5
Turn right onto South 10th Avenue
1.1 km · 2 min · South 10th Avenue
-
6
Take the ramp slight right
2822 ft · 1 min
-
7
Merge slight left onto Vietnam Veterans Memorial Highway
20.9 mi · 24 min · Vietnam Veterans Memorial Highway
-
8
Keep slight right to continue on Vietnam Veterans Memorial Highway
41.1 mi · 40 min · Vietnam Veterans Memorial Highway
-
9
Take the exit slight right toward I 84 Business: Mountain Home, Bruneau
4.1 mi · 6 min
-
10
Turn left onto American Legion Boulevard
1010 ft · 23 sec · American Legion Boulevard
-
11
Turn right onto North 4th East Street
114 m · 22 sec · North 4th East Street
-
12
Turn left onto East 2nd North Street
36 m · 5 sec · East 2nd North Street
-
13
Arrive at your destination
0 m · 1 sec · East 2nd North Street
Car Route Details
A richer read on the saved driving route between Caldwell and Mountain Home.
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
Keep slight right to continue on Vietnam Veterans Memorial Highway
41.1 mi · 00h 40m
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 Caldwell and Rain Showers near Mountain Home.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Caldwell to Mountain Home?
The road trip is about 67.6 miles (108.8 km) and usually takes 01h 05m 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?
Boise is a useful midpoint, sitting about 33.7 miles from Caldwell and 33.9 miles from Mountain Home.
How much longer is the road route than the straight-line distance?
The direct path is about 62 miles (99.8 km), while the road route adds roughly 5.6 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 8:00 AM to 10:00 AM MDT. If you want a more comfortable same-day return, try to leave by 4:20 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $9.30 one way or $18.61 round trip. Estimated CO2 is about 21.2 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers around Caldwell and Rain Showers near Mountain Home.
Stop Ideas Near Boise
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 Boise.
Boise, Idaho
Nampa, Idaho
Ontario
Vale, Oregon
Flight Path Map
This map shows the direct air route between Caldwell and Mountain Home. Straight-line distance: 61.98 mi (99.75 km).
#1 Caldwell
The most populous city in Canyon County, Idaho.
| Population | 58,481 |
| Coordinates | 43.6629400, -116.6873600 |
| Altitude | 724 |
| Country | United States |
#2 Mountain Home
City in Elmore, Idaho, United States
| Population | 14,562 |
| Coordinates | 43.1329500, -115.6912000 |
| Altitude | 959 |
| Country | United States |
End: East 2nd North Street (-115.691267, 43.133031)
Estimated Travel Time
Distance: 109 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 15m |
| 40 mph (64.37 km/h) | 01h 41m |
| 50 mph (80.47 km/h) | 01h 21m |
| 60 mph (96.56 km/h) | 01h 07m |
| 70 mph (112.65 km/h) | 00h 57m |
| 80 mph (129 km/h) | 00h 50m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $9.30 | $18.61 |
| Mid-grade | $4.23 | $10.11 | $20.22 |
| Premium | $4.55 | $10.87 | $21.74 |
| Diesel | $5.41 | $12.93 | $25.87 |
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.