How far is Caldwell, ID from Glenns Ferry, ID?

The driving distance from Caldwell, ID to Glenns Ferry, ID is about 94.3 miles (151.8 km), with a travel time of about 01h 37m by car.

  • The straight-line flight distance is about 85.1 miles (137 km).
  • For a round trip, plan for roughly 03h 15m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM MDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
94.33 mi
01h 37m
Flight
85.16 mi
137.05 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Caldwell.

Flight Distance

Direct air line
85.16 mi
Kilometers
137.05 km
Flight Time
00h 10m

Driving Distance

Road route
94.33 mi
Kilometers
151.81 km
Drive Time
01h 37m

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 37m.

Arrival Snapshot
Arrive in Glenns Ferry
Thu, Apr 23, 4:47 AM MDT
Return by in Caldwell
Thu, Apr 23, 6:25 AM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Caldwell
2026-04-23T03:09
Arrive Glenns Ferry
Thu, Apr 23, 4:47 AM MDT
Route Timing
01h 37m
One way by road
Best Departure Window
8:00 AM to 10:00 AM MDT
Aim for a morning departure
Arrive between
9:38 AM to 11:38 AM MDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
3:14 PM MDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Caldwell
9:30 PM MDT
Morning start is best

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.

Mid-route stop
Mountain Home
ID

City in Elmore, Idaho, United States

From Caldwell
47.1 mi
00h 48m
To Glenns Ferry
47.2 mi
00h 48m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
58°F
Thursday

Mostly Cloudy then Slight Chance Rain Showers

Starts
Thu, Apr 23 6:00 AM MDT
Wind
9 to 14 mph WNW
Destination
59°F
Thursday

Chance Rain Showers

Starts
Thu, Apr 23 6:00 AM MDT
Wind
14 to 23 mph WNW

Driving Route Map

The map below follows the saved road route between Caldwell and Glenns Ferry.

Turn-by-Turn Driving Directions

Step-by-step road directions between Caldwell and Glenns Ferry.

  1. 1

    Start on the route

    28 m · 12 sec

  2. 2

    Turn left onto Cleveland Boulevard

    22 m · 4 sec · Cleveland Boulevard

  3. 3

    Turn right

    43 m · 13 sec

  4. 4

    Turn right

    46 m · 13 sec

  5. 5

    Turn right onto South 10th Avenue

    1.1 km · 2 min · South 10th Avenue

  6. 6

    Take the ramp slight right

    2822 ft · 1 min

  7. 7

    Merge slight left onto Vietnam Veterans Memorial Highway

    20.9 mi · 24 min · Vietnam Veterans Memorial Highway

  8. 8

    Keep slight right to continue on Vietnam Veterans Memorial Highway

    70.9 mi · 1 hr 8 min · Vietnam Veterans Memorial Highway

  9. 9

    Take the exit slight right toward I 84 Business: Glenns Ferry

    1369 ft · 35 sec

  10. 10

    Continue on North Bannock Avenue

    2569 ft · 57 sec · North Bannock Avenue

  11. 11

    Turn left onto West 1st Avenue

    2189 ft · 50 sec · West 1st Avenue

  12. 12

    Turn left onto North Commercial Street

    50 m · 12 sec · North Commercial Street

  13. 13

    Turn left

    13 m · 3 sec

  14. 14

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Caldwell and Glenns Ferry.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
14 steps
7 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
14.8 / 100 mi
Decision points by distance
Main Roads
Vietnam Veterans Memorial Highway
91.8 mi · 97%
South 10th Avenue
1.19 mi · 1%
North Bannock Avenue
0.49 mi · 1%
West 1st Avenue
0.41 mi
I 84 Business
0.26 mi
North Commercial Street
0.03 mi
Longest Stretch

Vietnam Veterans Memorial Highway

Keep slight right to continue on Vietnam Veterans Memorial Highway

70.9 mi · 01h 08m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
01h 37m
Day trip friendly
Same-Day Return
03h 16m
Round-trip wheel time
Road vs Air
+9.2 mi
85.1 mi direct line
Halfway Stop
Mountain Home
00h 48m from Caldwell
Leave By
3:14 PM MDT
Morning start is best
Weather Watch

Mostly Cloudy then Slight Chance Rain Showers leaving Caldwell and Chance Rain Showers near Glenns Ferry.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Caldwell to Glenns Ferry?

The road trip is about 94.3 miles (151.8 km) and usually takes 01h 37m 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 47.1 miles from Caldwell and 47.2 miles from Glenns Ferry.

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 9.2 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 3:14 PM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $12.96 one way or $25.93 round trip. Estimated CO2 is about 29.6 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Cloudy then Slight Chance Rain Showers around Caldwell and Chance Rain Showers near Glenns Ferry.

Stop Ideas Near Mountain Home

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Mountain Home, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Mountain Home.

BUS

Boise, Idaho

68 mi away
1212 West Bannock St.
BUS

Nampa, Idaho

86 mi away
3116 Garrity Blvd
BUS

Twin Falls, Idaho

118 mi away
1135 Blue Lakes Circle

Flight Path Map

This map shows the direct air route between Caldwell and Glenns Ferry. Straight-line distance: 85.16 mi (137.05 km).

Caldwell

#1 Caldwell

The most populous city in Canyon County, Idaho.

Population58,481
Coordinates43.6629400, -116.6873600
Altitude724
CountryUnited States
Glenns Ferry

#2 Glenns Ferry

City in Elmore County, Idaho, United States

Population1,303
Coordinates42.9549000, -115.3009000
Altitude783
CountryUnited States
Start: Caldwell (-116.68736, 43.66294)
End: Glenns Ferry (-115.3009, 42.9549)

Estimated Travel Time

Distance: 152 km by road

SpeedTime
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 20m
80 mph (129 km/h)01h 10m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
3.33 gal
12.6 L · about $12.96
Round trip
$25.93
6.66 gal · 25.2 L
Estimated CO2
29.6 kg one way
Round trip: 59.2 kg / 131 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $12.96 $25.93
Mid-grade $4.23 $14.09 $28.18
Premium $4.55 $15.15 $30.30
Diesel $5.41 $18.02 $36.04

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

There is no time difference between Caldwell and Glenns Ferry. The current time is 03:09:57.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.