How far is Nampa, ID from Osburn, ID?

The driving distance from Nampa, ID to Osburn, ID is about 481.2 miles (774.4 km), with a travel time of about 08h 53m by car.

  • The straight-line flight distance is about 275.3 miles (443.1 km).
  • For a round trip, plan for roughly 17h 46m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 AM MDT.
Trip Tools

Reverse, save, or send this route

This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
481.19 mi
08h 53m
Flight
275.33 mi
443.1 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Nampa.

Flight Distance

Direct air line
275.33 mi
Kilometers
443.1 km
Flight Time
00h 33m

Driving Distance

Road route
481.19 mi
Kilometers
774.4 km
Drive Time
08h 53m

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 08h 53m.

Arrival Snapshot
Arrive in Osburn
Thu, Apr 23, 9:02 AM PDT
Return by in Nampa
Thu, Apr 23, 6:55 PM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Nampa
2026-04-23T01:09
Arrive Osburn
Thu, Apr 23, 10:02 AM MDT
Route Timing
08h 53m
One way by road
Best Departure Window
6:00 AM to 7:30 AM MDT
Treat this as a longer travel day
Arrive between
1:53 PM to 3:23 PM PDT

Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

Leave by
6:14 PM MDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Nampa
8:00 PM MDT
Overnight-style route

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
Lewiston
ID

City in Nez Perce County, Idaho, USA

From Nampa
240.3 mi
04h 26m
To Osburn
240.8 mi
04h 26m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
54°F
Thursday

Mostly Cloudy then Chance Rain Showers

Starts
Thu, Apr 23 6:00 AM MDT
Wind
13 to 16 mph WNW
Destination
50°F
Thursday

Rain And Snow Likely

Starts
Thu, Apr 23 6:00 AM PDT
Wind
2 to 8 mph NW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  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

    222.9 mi · 3 hr 58 min · Vietnam Veterans Memorial Highway

  14. 14

    Take the exit slight right toward US 395 North: Stanfield, Hermiston

    1706 ft · 42 sec

  15. 15

    Continue on Umatilla-Stanfield Highway

    1.2 mi · 1 min · Umatilla-Stanfield Highway

  16. 16

    Continue on South Main Street

    2 mi · 2 min · South Main Street

  17. 17

    Continue on Umatilla-Stanfield Highway

    3.2 mi · 4 min · Umatilla-Stanfield Highway

  18. 18

    Turn right onto Southeast 4th Street

    1.6 mi · 3 min · Southeast 4th Street

  19. 19

    Turn left onto East Theater Lane

    1368 ft · 42 sec · East Theater Lane

  20. 20

    Turn right onto North 1st Street

    2864 ft · 39 sec · North 1st Street

  21. 21

    Continue on Umatilla-Stanfield Highway

    3.8 mi · 4 min · Umatilla-Stanfield Highway

  22. 22

    Turn left onto Columbia River Highway

    1.1 km · 49 sec · Columbia River Highway

  23. 23

    Take the exit right toward I 82 West, US 395 North: Kennewick, Yakima

    1130 ft · 28 sec

  24. 24

    Merge slight left onto McNary Highway

    20.4 mi · 22 min · McNary Highway

  25. 25

    Keep slight right to continue on Lewis and Clark Trail Highway

    3.3 mi · 5 min · Lewis and Clark Trail Highway

  26. 26

    Continue on South US 395

    1.1 mi · 2 min · South US 395

  27. 27

    Continue on Lewis and Clark Trail

    4.9 mi · 7 min · Lewis and Clark Trail

  28. 28

    Take the exit slight right toward US 395 north, SR 397 south (Oregon Street): Spokane, Finley

    859 ft · 21 sec

  29. 29

    Keep slight left to continue on US 395

    1416 ft · 35 sec

  30. 30

    Keep slight right to continue on US 395 North: Spokane

    130.7 mi · 2 hr 21 min

  31. 31

    Merge slight right

    78.1 mi · 1 hr 27 min

  32. 32

    Take the exit slight right toward I 90 Business: Osburn

    1193 ft · 30 sec

  33. 33

    Turn right onto North 3rd Street

    915 ft · 18 sec · North 3rd Street

  34. 34

    Arrive at your destination

    0 m · 1 sec · North 3rd Street

Car Route Details

A richer read on the saved driving route between Nampa and Osburn.

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
34 steps
7 turns on the saved route
Ramps & Exits
8
3 merges, 5 ramps or exits
Navigation Density
7.1 / 100 mi
Decision points by distance
Main Roads
Vietnam Veterans Memorial Highway
223 mi · 46%
US 395 North
209 mi · 44%
McNary Highway
20.4 mi · 4%
Umatilla-Stanfield Highway
8.2 mi · 2%
Lewis and Clark Trail
4.94 mi · 1%
Lewis and Clark Trail Highway
3.29 mi · 1%
Longest Stretch

Vietnam Veterans Memorial Highway

Merge slight left onto Vietnam Veterans Memorial Highway

223 mi · 03h 58m

Route Summary

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

Trip Read

Better with a longer stop

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

Drive Time
08h 53m
Overnight route
Same-Day Return
17h 46m
Round-trip wheel time
Road vs Air
+205.9 mi
275.3 mi direct line
Halfway Stop
Lewiston
04h 26m from Nampa
Leave By
6:14 PM MDT
Overnight-style route
Weather Watch

Mostly Cloudy then Chance Rain Showers leaving Nampa and Rain And Snow Likely near Osburn.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 481.2 miles (774.4 km) and usually takes 08h 53m in normal driving conditions.

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

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

What is the halfway point on this route?

Lewiston is a useful midpoint, sitting about 240.3 miles from Nampa and 240.8 miles from Osburn.

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

The direct path is about 275.3 miles (443.1 km), while the road route adds roughly 205.9 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 6:00 AM to 7:30 AM MDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $66.10 one way or $132.21 round trip. Estimated CO2 is about 150.9 kg one way.

Do you cross a time zone on this route?

Yes. There is about a 1 hour time difference between Nampa and Osburn, so arrival and return times should be read in local time.

What should you check before leaving?

Before you leave, expect Mostly Cloudy then Chance Rain Showers around Nampa and Rain And Snow Likely near Osburn.

Stop Ideas Near Lewiston

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

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

BUS

Lewiston, Idaho

1 mi away
1920 Highway 128
BUS

Moscow, Idaho

35 mi away
120 West 6th St.
BUS

Pullman, Washington

38 mi away
1002 Northwest Nye St.
BUS

Colfax, Washington

58 mi away
610 South Main St.

Flight Path Map

This map shows the direct air route between Nampa and Osburn. Straight-line distance: 275.33 mi (443.1 km).

Nampa

#1 Nampa

The most populous city in Canyon County, Idaho.

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

#2 Osburn

City in Shoshone County, Idaho, United States

Population1,556
Coordinates47.5060400, -115.9993300
Altitude768
CountryUnited States
Start: Nampa (-116.56346, 43.54072)
End: Osburn (-115.99933, 47.50604)

Estimated Travel Time

Distance: 774 km by road

SpeedTime
30 mph (48.3 km/h)16h 01m
40 mph (64.37 km/h)12h 01m
50 mph (80.47 km/h)09h 37m
60 mph (96.56 km/h)08h 01m
70 mph (112.65 km/h)06h 52m
80 mph (129 km/h)06h 00m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
16.98 gal
64.28 L · about $66.10
Round trip
$132.21
33.96 gal · 128.56 L
Estimated CO2
150.9 kg one way
Round trip: 301.8 kg / 665 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $66.10 $132.21
Mid-grade $4.23 $71.84 $143.68
Premium $4.55 $77.24 $154.48
Diesel $5.41 $91.90 $183.79

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

Please keep in mind that there is a 1 hour time gap between Nampa, ID and Osburn, ID. The current time in Nampa is 01:09:07, although it is 00:09:07 in Osburn.

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.