How far is Sandpoint, ID from Ammon, ID?

The driving distance from Sandpoint, ID to Ammon, ID is about 506.5 miles (815.2 km), with a travel time of about 08h 05m by car.

  • The straight-line flight distance is about 398.5 miles (641.4 km).
  • For a round trip, plan for roughly 16h 10m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 AM PDT.
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
506.55 mi
08h 05m
Flight
398.57 mi
641.44 km direct

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

Learn Distance

Choose another destination from Sandpoint.

Flight Distance

Direct air line
398.57 mi
Kilometers
641.44 km
Flight Time
00h 48m

Driving Distance

Road route
506.55 mi
Kilometers
815.21 km
Drive Time
08h 05m

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 05m.

Arrival Snapshot
Arrive in Ammon
Thu, Apr 23, 3:10 AM MDT
Return by in Sandpoint
Thu, Apr 23, 10:15 AM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Sandpoint
2026-04-22T18:05
Arrive Ammon
Thu, Apr 23, 2:10 AM PDT
Route Timing
08h 05m
One way by road
Best Departure Window
6:00 AM to 7:30 AM PDT
Treat this as a longer travel day
Arrive between
3:05 PM to 4:35 PM MDT

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

Leave by
7:50 PM PDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Sandpoint
8:00 PM PDT
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
Salmon
ID

City in Lemhi County, Idaho, United States

From Sandpoint
263.5 mi
04h 02m
To Ammon
243.1 mi
04h 02m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
53°F
Wednesday

Showers And Thunderstorms

Starts
Wed, Apr 22 6:00 AM PDT
Wind
2 to 7 mph SW
Destination
52°F
Wednesday

Light Rain Likely then Showers And Thunderstorms

Starts
Wed, Apr 22 6:00 AM MDT
Wind
16 to 29 mph SW

Driving Route Map

The map below follows the saved road route between Sandpoint and Ammon.

Turn-by-Turn Driving Directions

Step-by-step road directions between Sandpoint and Ammon.

  1. 1

    Start on North 5th Avenue

    55 m · 13 sec · North 5th Avenue

  2. 2

    Turn left onto Cedar Street

    1381 ft · 23 sec · Cedar Street

  3. 3

    Continue on North 1st Avenue

    1921 ft · 35 sec · North 1st Avenue

  4. 4

    Turn slight left onto East Superior Street

    702 ft · 12 sec · East Superior Street

  5. 5

    Take the ramp straight

    1821 ft · 50 sec

  6. 6

    Merge slight left

    42.9 mi · 53 min

  7. 7

    Turn left

    278 mi · 4 hr 40 min

  8. 8

    Take the exit slight right toward I 15 South: Dillon, Idaho Falls

    2694 ft · 1 min

  9. 9

    Merge slight left

    198 mi · 3 hr 6 min

  10. 10

    Take the exit slight right toward I 15 Business, US 20 West: Historic Downtown, Arco

    1619 ft · 47 sec

  11. 11

    Continue on West Broadway Street

    2164 ft · 54 sec · West Broadway Street

  12. 12

    Turn right onto South Utah Avenue

    2435 ft · 50 sec · South Utah Avenue

  13. 13

    Enter the roundabout and take exit 1 toward South Utah Avenue

    31 m · 2 sec · South Utah Avenue

  14. 14

    Exit the roundabout onto South Utah Avenue

    781 ft · 23 sec · South Utah Avenue

  15. 15

    Turn left onto Pancheri Drive

    1930 ft · 43 sec · Pancheri Drive

  16. 16

    Continue on West 17th Street

    1.1 mi · 2 min · West 17th Street

  17. 17

    Turn right onto South Holmes Avenue

    1.6 km · 2 min · South Holmes Avenue

  18. 18

    Turn left onto East Sunnyside Road

    2.9 mi · 5 min · East Sunnyside Road

  19. 19

    Turn left onto Central Avenue

    753 ft · 35 sec · Central Avenue

  20. 20

    Turn right onto Molen Street

    41 m · 6 sec · Molen Street

  21. 21

    Arrive at your destination

    0 m · 1 sec · Molen Street

Car Route Details

A richer read on the saved driving route between Sandpoint and Ammon.

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
21 steps
11 turns on the saved route
Ramps & Exits
7
2 merges, 5 ramps or exits
Navigation Density
4.1 / 100 mi
Decision points by distance
Main Roads
I 15 South
198 mi · 39%
East Superior Street
43.4 mi · 9%
East Sunnyside Road
2.85 mi · 1%
West 17th Street
1.07 mi
South Holmes Avenue
0.98 mi
South Utah Avenue
0.63 mi
Longest Stretch

Longest stretch

Turn left

278 mi · 04h 40m

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 05m
Overnight route
Same-Day Return
16h 10m
Round-trip wheel time
Road vs Air
+108 mi
398.5 mi direct line
Halfway Stop
Salmon
04h 02m from Sandpoint
Leave By
7:50 PM PDT
Overnight-style route
Weather Watch

Showers And Thunderstorms leaving Sandpoint and Light Rain Likely then Showers And Thunderstorms near Ammon.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Sandpoint to Ammon?

The road trip is about 506.5 miles (815.2 km) and usually takes 08h 05m 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?

Salmon is a useful midpoint, sitting about 263.5 miles from Sandpoint and 243.1 miles from Ammon.

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

The direct path is about 398.5 miles (641.4 km), while the road route adds roughly 108 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 PDT. 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 $69.57 one way or $139.14 round trip. Estimated CO2 is about 158.8 kg one way.

Do you cross a time zone on this route?

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

What should you check before leaving?

Before you leave, expect Showers And Thunderstorms around Sandpoint and Light Rain Likely then Showers And Thunderstorms near Ammon.

Flight Path Map

This map shows the direct air route between Sandpoint and Ammon. Straight-line distance: 398.57 mi (641.44 km).

Sandpoint

#1 Sandpoint

City in Idaho

Population8,931
Coordinates48.2765900, -116.5532500
Altitude639
CountryUnited States
Ammon

#2 Ammon

City in Idaho, United States

Population17,115
Coordinates43.4696400, -111.9666400
Altitude1437
CountryUnited States
Start: North 5th Avenue (-116.553491, 48.276589)
End: Molen Street (-111.966641, 43.469622)

Estimated Travel Time

Distance: 815 km by road

SpeedTime
30 mph (48.3 km/h)16h 52m
40 mph (64.37 km/h)12h 39m
50 mph (80.47 km/h)10h 07m
60 mph (96.56 km/h)08h 26m
70 mph (112.65 km/h)07h 14m
80 mph (129 km/h)06h 19m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
17.87 gal
67.66 L · about $69.57
Round trip
$139.14
35.74 gal · 135.32 L
Estimated CO2
158.8 kg one way
Round trip: 317.6 kg / 700 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $69.57 $139.14
Mid-grade $4.23 $75.61 $151.22
Premium $4.55 $81.29 $162.58
Diesel $5.41 $96.71 $193.42

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 Sandpoint, ID and Ammon, ID. The current time in Sandpoint is 18:05:15, although it is 19:05:15 in Ammon.

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.