How far is Nampa, ID from Caldwell, ID?

The driving distance from Nampa, ID to Caldwell, ID is about 14.1 miles (22.7 km), with a travel time of about 00h 24m by car.

  • The straight-line flight distance is about 10.5 miles (16.9 km).
  • For a round trip, plan for roughly 00h 48m 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
14.07 mi
00h 24m
Flight
10.48 mi
16.86 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Nampa.

Flight Distance

Direct air line
10.48 mi
Kilometers
16.86 km
Flight Time
00h 01m

Driving Distance

Road route
14.07 mi
Kilometers
22.65 km
Drive Time
00h 24m

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 24m.

Arrival Snapshot
Arrive in Caldwell
Sun, Apr 19, 5:20 AM MDT
Return by in Nampa
Sun, Apr 19, 5:45 AM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Nampa
2026-04-19T04:56
Arrive Caldwell
Sun, Apr 19, 5:20 AM MDT
Route Timing
00h 24m
One way by road
Best Departure Window
7:00 AM to 7:00 PM MDT
Leave when it suits your day
Arrive between
7:24 AM to 7:24 PM MDT

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

Leave by
7:42 PM MDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Nampa
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
Middleton
ID

City in Canyon County, Idaho

From Nampa
6.4 mi
00h 12m
To Caldwell
7.6 mi
00h 12m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
68°F
Sunday

Partly Sunny

Starts
Sun, Apr 19 6:00 AM MDT
Wind
12 to 20 mph SE
Destination
70°F
Sunday

Partly Sunny

Starts
Sun, Apr 19 6:00 AM MDT
Wind
8 to 15 mph SE

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Stony Meadow Drive

    56 m · 14 sec · Stony Meadow Drive

  2. 2

    Turn left onto Sunny Ridge Road

    1 mi · 2 min · Sunny Ridge Road

  3. 3

    Continue on Holly Street

    1556 ft · 45 sec · Holly Street

  4. 4

    Continue on East Bird Avenue

    911 ft · 25 sec · East Bird Avenue

  5. 5

    Continue on Fern Street

    1355 ft · 37 sec · Fern Street

  6. 6

    Continue on East Sheridan Avenue

    602 ft · 17 sec · East Sheridan Avenue

  7. 7

    Continue on Holly Street

    1617 ft · 46 sec · Holly Street

  8. 8

    Continue on 16th Avenue South

    1110 ft · 38 sec · 16th Avenue South

  9. 9

    Turn left onto 7th Street South

    1.3 km · 2 min · 7th Street South

  10. 10

    Continue on North Yale Street

    1990 ft · 40 sec · North Yale Street

  11. 11

    Continue on Northside Boulevard

    1.1 mi · 2 min · Northside Boulevard

  12. 12

    Take the ramp slight left

    1558 ft · 38 sec

  13. 13

    Merge slight left onto Vietnam Veterans Memorial Highway

    5.7 mi · 7 min · Vietnam Veterans Memorial Highway

  14. 14

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

    1207 ft · 36 sec

  15. 15

    Turn left onto Franklin Road

    2268 ft · 53 sec · Franklin Road

  16. 16

    Continue on North 21st Avenue

    3239 ft · 1 min · North 21st Avenue

  17. 17

    Turn right onto Blaine Street

    1.3 km · 2 min · Blaine Street

  18. 18

    Turn left onto South 10th Avenue

    51 m · 10 sec · South 10th Avenue

  19. 19

    Turn left

    21 m · 7 sec

  20. 20

    Turn right

    24 m · 6 sec

  21. 21

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Nampa 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
21 steps
7 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
148.9 / 100 mi
Decision points by distance
Main Roads
Vietnam Veterans Memorial Highway
5.75 mi · 41%
Northside Boulevard
1.39 mi · 10%
Sunny Ridge Road
1 mi · 7%
7th Street South
0.84 mi · 6%
Blaine Street
0.79 mi · 6%
North 21st Avenue
0.61 mi · 4%
Longest Stretch

Vietnam Veterans Memorial Highway

Merge slight left onto Vietnam Veterans Memorial Highway

5.75 mi · 00h 07m

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 24m
Quick drive
Same-Day Return
00h 48m
Round-trip wheel time
Road vs Air
+3.6 mi
10.5 mi direct line
Halfway Stop
Middleton
00h 12m from Nampa
Leave By
7:42 PM MDT
Flexible departure
Weather Watch

Partly Sunny leaving Nampa and Partly Sunny near Caldwell.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Nampa to Caldwell?

The road trip is about 14.1 miles (22.7 km) and usually takes 00h 24m 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?

Middleton is a useful midpoint, sitting about 6.4 miles from Nampa and 7.6 miles from Caldwell.

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

The direct path is about 10.5 miles (16.9 km), while the road route adds roughly 3.6 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 7:00 AM to 7:00 PM MDT. If you want a more comfortable same-day return, try to leave by 7:42 PM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $1.95 one way or $3.89 round trip. Estimated CO2 is about 4.4 kg one way.

What should you check before leaving?

Before you leave, expect Partly Sunny around Nampa and Partly Sunny near Caldwell.

Stop Ideas Near Middleton

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

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

BUS

Nampa, Idaho

15 mi away
3116 Garrity Blvd
BUS

Boise, Idaho

35 mi away
1212 West Bannock St.
BUS

Ontario

45 mi away
653 East Idaho Avenue
BUS

Vale, Oregon

59 mi away
151 Smith Street North

Flight Path Map

This map shows the direct air route between Nampa and Caldwell. Straight-line distance: 10.48 mi (16.86 km).

Nampa

#1 Nampa

The most populous city in Canyon County, Idaho.

Population99,277
Coordinates43.5407200, -116.5634600
Altitude767
CountryUnited States
Caldwell

#2 Caldwell

The most populous city in Canyon County, Idaho.

Population58,481
Coordinates43.6629400, -116.6873600
Altitude724
CountryUnited States
Start: Stony Meadow Drive (-116.563329, 43.541003)
End: (-116.687278, 43.66289)

Estimated Travel Time

Distance: 23 km by road

SpeedTime
30 mph (48.3 km/h)00h 28m
40 mph (64.37 km/h)00h 21m
50 mph (80.47 km/h)00h 16m
60 mph (96.56 km/h)00h 14m
70 mph (112.65 km/h)00h 12m
80 mph (129 km/h)00h 10m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.5 gal
1.88 L · about $1.95
Round trip
$3.89
1 gal · 3.76 L
Estimated CO2
4.4 kg one way
Round trip: 8.9 kg / 20 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $1.95 $3.89
Mid-grade $4.23 $2.12 $4.23
Premium $4.55 $2.27 $4.55
Diesel $5.41 $2.71 $5.41

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 19, 2026

There is no time difference between Nampa and Caldwell. The current time is 04:56:21.

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.