How far is Glenns Ferry, ID from Caldwell, ID?
The driving distance from Glenns Ferry, ID to Caldwell, ID is about 94.5 miles (152.1 km), with a travel time of about 01h 27m by car.
- The straight-line flight distance is about 85.1 miles (137 km).
- For a round trip, plan for roughly 02h 55m 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 27m.
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 Showers
Rain Showers
Driving Route Map
The map below follows the saved road route between Glenns Ferry and Caldwell.
Turn-by-Turn Driving Directions
Step-by-step road directions between Glenns Ferry and Caldwell.
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1
Start on the route
13 m · 5 sec
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2
Turn right onto North Commercial Street
50 m · 10 sec · North Commercial Street
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3
Turn right onto West 1st Avenue
2189 ft · 46 sec · West 1st Avenue
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4
Turn right onto North Bannock Avenue
3128 ft · 1 min · North Bannock Avenue
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5
Take the ramp left
1260 ft · 31 sec
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6
Merge slight left onto Vietnam Veterans Memorial Highway
88 mi · 1 hr 28 min · Vietnam Veterans Memorial Highway
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7
Continue straight
3 mi · 3 min
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8
Take the exit slight right toward US 20, US 26 East
1207 ft · 36 sec
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9
Turn left onto Franklin Road
2268 ft · 53 sec · Franklin Road
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10
Continue on North 21st Avenue
3239 ft · 1 min · North 21st Avenue
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11
Turn right onto Blaine Street
1.3 km · 2 min · Blaine Street
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12
Turn left onto South 10th Avenue
51 m · 10 sec · South 10th Avenue
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13
Turn left
21 m · 7 sec
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14
Turn right
24 m · 6 sec
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15
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Glenns Ferry 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
88 mi · 01h 28m
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 Glenns Ferry 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 Glenns Ferry to Caldwell?
The road trip is about 94.5 miles (152.1 km) and usually takes 01h 27m 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 47.2 miles from Glenns Ferry and 47.3 miles from Caldwell.
How much longer is the road route than the straight-line distance?
The direct path is about 85.1 miles (137 km), while the road route adds roughly 9.4 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 3:34 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $13.00 one way or $26.01 round trip. Estimated CO2 is about 29.7 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers around Glenns Ferry 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 Glenns Ferry and Caldwell. Straight-line distance: 85.16 mi (137.05 km).
#1 Glenns Ferry
City in Elmore County, Idaho, United States
| Population | 1,303 |
| Coordinates | 42.9549000, -115.3009000 |
| Altitude | 783 |
| 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: 152 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 08m |
| 40 mph (64.37 km/h) | 02h 21m |
| 50 mph (80.47 km/h) | 01h 53m |
| 60 mph (96.56 km/h) | 01h 34m |
| 70 mph (112.65 km/h) | 01h 21m |
| 80 mph (129 km/h) | 01h 10m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $13.00 | $26.01 |
| Mid-grade | $4.23 | $14.13 | $28.26 |
| Premium | $4.55 | $15.19 | $30.39 |
| Diesel | $5.41 | $18.08 | $36.15 |
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.