How far is Kuna, ID from Caldwell, ID?

The driving distance from Kuna, ID to Caldwell, ID is about 23 miles (37 km), with a travel time of about 00h 32m by car.

  • The straight-line flight distance is about 17.8 miles (28.7 km).
  • For a round trip, plan for roughly 01h 04m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM MDT.
Trip Tools

Reverse, save, or send this route

This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
23.01 mi
00h 32m
Flight
17.85 mi
28.73 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Kuna.

Flight Distance

Direct air line
17.85 mi
Kilometers
28.73 km
Flight Time
00h 02m

Driving Distance

Road route
23.01 mi
Kilometers
37.03 km
Drive Time
00h 32m

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 00h 32m.

Arrival Snapshot
Arrive in Caldwell
Wed, Apr 22, 9:04 PM MDT
Return by in Kuna
Wed, Apr 22, 9:36 PM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Kuna
2026-04-22T20:31
Arrive Caldwell
Wed, Apr 22, 9:04 PM MDT
Route Timing
00h 32m
One way by road
Best Departure Window
7:00 AM to 7:00 PM MDT
Leave when it suits your day
Arrive between
7:32 AM to 7:32 PM MDT

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:26 PM MDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Kuna
10:00 PM MDT
Flexible departure

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
Nampa
ID

The most populous city in Canyon County, Idaho.

From Kuna
11.4 mi
00h 16m
To Caldwell
11.6 mi
00h 16m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
53°F
Wednesday

Rain Showers

Starts
Wed, Apr 22 6:00 AM MDT
Wind
12 to 20 mph W
Destination
54°F
Wednesday

Rain Showers

Starts
Wed, Apr 22 6:00 AM MDT
Wind
12 to 18 mph W

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Kuna and Caldwell.

  1. 1

    Start on West 4th Street

    1.1 km · 2 min · West 4th Street

  2. 2

    Turn right onto North Ten Mile Road

    4.8 mi · 7 min · North Ten Mile Road

  3. 3

    Enter the roundabout and take exit 2 toward South Ten Mile Road

    36 m · 3 sec · South Ten Mile Road

  4. 4

    Exit the roundabout onto South Ten Mile Road

    1.6 km · 2 min · South Ten Mile Road

  5. 5

    Enter the roundabout and take exit 2 toward South Ten Mile Road

    34 m · 2 sec · South Ten Mile Road

  6. 6

    Exit the roundabout onto South Ten Mile Road

    1.2 mi · 2 min · South Ten Mile Road

  7. 7

    Take the ramp slight left toward I 84 West

    1.3 km · 1 min

  8. 8

    Merge slight left onto Vietnam Veterans Memorial Highway

    12.3 mi · 14 min · Vietnam Veterans Memorial Highway

  9. 9

    Take the exit slight right toward US 20, US 26 East

    1207 ft · 36 sec

  10. 10

    Turn left onto Franklin Road

    2268 ft · 53 sec · Franklin Road

  11. 11

    Continue on North 21st Avenue

    3239 ft · 1 min · North 21st Avenue

  12. 12

    Turn right onto Blaine Street

    1.3 km · 2 min · Blaine Street

  13. 13

    Turn left onto South 10th Avenue

    51 m · 10 sec · South 10th Avenue

  14. 14

    Turn left

    21 m · 7 sec

  15. 15

    Turn right

    24 m · 6 sec

  16. 16

    Arrive at your destination

    0 m · 1 sec

Car Route Details

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

OSRM road route
Drive Character

Turn-heavy local drive

The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.

Directions
16 steps
10 turns on the saved route
Ramps & Exits
7
1 merges, 6 ramps or exits
Navigation Density
69.6 / 100 mi
Decision points by distance
Main Roads
Vietnam Veterans Memorial Highway
12.3 mi · 53%
North Ten Mile Road
4.77 mi · 21%
South Ten Mile Road
2.26 mi · 10%
Blaine Street
0.79 mi · 3%
I 84 West
0.79 mi · 3%
West 4th Street
0.68 mi · 3%
Longest Stretch

Vietnam Veterans Memorial Highway

Merge slight left onto Vietnam Veterans Memorial Highway

12.3 mi · 00h 14m

Route Summary

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

Trip Read

A short regional drive

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

Drive Time
00h 32m
Quick drive
Same-Day Return
01h 04m
Round-trip wheel time
Road vs Air
+5.2 mi
17.8 mi direct line
Halfway Stop
Nampa
00h 16m from Kuna
Leave By
7:26 PM MDT
Flexible departure
Weather Watch

Rain Showers leaving Kuna 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 Kuna to Caldwell?

The road trip is about 23 miles (37 km) and usually takes 00h 32m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

What is the halfway point on this route?

Nampa is a useful midpoint, sitting about 11.4 miles from Kuna and 11.6 miles from Caldwell.

How much longer is the road route than the straight-line distance?

The direct path is about 17.8 miles (28.7 km), while the road route adds roughly 5.2 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 7:00 AM to 7:00 PM MDT. If you want a more comfortable same-day return, try to leave by 7:26 PM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $3.15 one way or $6.31 round trip. Estimated CO2 is about 7.2 kg one way.

What should you check before leaving?

Before you leave, expect Rain Showers around Kuna and Rain Showers near Caldwell.

Stop Ideas Near Nampa

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

Mid-route Guidance
Local place coverage is thin around Nampa, 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 Nampa.

BUS

Nampa, Idaho

4 mi away
3116 Garrity Blvd
BUS

Boise, Idaho

30 mi away
1212 West Bannock St.
BUS

Ontario

63 mi away
653 East Idaho Avenue
BUS

Vale, Oregon

74 mi away
151 Smith Street North

Flight Path Map

This map shows the direct air route between Kuna and Caldwell. Straight-line distance: 17.85 mi (28.73 km).

Kuna

#1 Kuna

City in Ada County, Idaho, United States

Population22,257
Coordinates43.4918300, -116.4201200
Altitude821
CountryUnited States
Caldwell

#2 Caldwell

The most populous city in Canyon County, Idaho.

Population58,481
Coordinates43.6629400, -116.6873600
Altitude724
CountryUnited States
Start: West 4th Street (-116.42012, 43.491769)
End: (-116.687278, 43.66289)

Estimated Travel Time

Distance: 37 km by road

SpeedTime
30 mph (48.3 km/h)00h 46m
40 mph (64.37 km/h)00h 34m
50 mph (80.47 km/h)00h 27m
60 mph (96.56 km/h)00h 23m
70 mph (112.65 km/h)00h 19m
80 mph (129 km/h)00h 17m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.81 gal
3.07 L · about $3.15
Round trip
$6.31
1.62 gal · 6.14 L
Estimated CO2
7.2 kg one way
Round trip: 14.4 kg / 32 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $3.15 $6.31
Mid-grade $4.23 $3.43 $6.85
Premium $4.55 $3.68 $7.37
Diesel $5.41 $4.38 $8.77

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 Kuna and Caldwell. The current time is 20:31:53.

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.