How far is Ammon, ID from Nampa, ID?
The driving distance from Ammon, ID to Nampa, ID is about 302.9 miles (487.4 km), with a travel time of about 04h 24m by car.
- The straight-line flight distance is about 230.4 miles (370.8 km).
- For a round trip, plan for roughly 08h 49m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM MDT.
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.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
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 04h 24m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
City in Twin Falls County, Idaho, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Light Rain Likely
Mostly Cloudy then Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Ammon and Nampa.
Turn-by-Turn Driving Directions
Step-by-step road directions between Ammon and Nampa.
-
1
Start on Molen Street
41 m · 12 sec · Molen Street
-
2
Turn left onto Central Avenue
753 ft · 35 sec · Central Avenue
-
3
Turn right onto East Sunnyside Road
6.1 mi · 9 min · East Sunnyside Road
-
4
Take the exit left toward Blackfook, Pocatello, Salt Lake City
1307 ft · 32 sec
-
5
Merge slight left onto Veterans Memorial Highway
43.1 mi · 41 min · Veterans Memorial Highway
-
6
Take the exit slight right toward I 86 West: Chubbuck, Twin Falls
1 km · 44 sec
-
7
Continue straight
62.7 mi · 59 min
-
8
Continue on Vietnam Veterans Memorial Highway
183 mi · 2 hr 55 min · Vietnam Veterans Memorial Highway
-
9
Take the exit slight right toward I 84 Business: Garrity Boulevard, Idaho Center Boulevard
1901 ft · 53 sec
-
10
Turn left onto Garrity Boulevard
1.4 mi · 3 min · Garrity Boulevard
-
11
Turn left onto North Kings Road
1.2 km · 1 min · North Kings Road
-
12
Enter the roundabout and take exit 2 toward South Kings Road
38 m · 3 sec · South Kings Road
-
13
Exit the roundabout onto South Kings Road
1 mi · 2 min · South Kings Road
-
14
Turn right onto East Amity Avenue
1.2 mi · 2 min · East Amity Avenue
-
15
Continue on Diamond Street
792 ft · 16 sec · Diamond Street
-
16
Continue on East Colorado Avenue
1143 ft · 35 sec · East Colorado Avenue
-
17
Turn left onto Holly Street
1556 ft · 45 sec · Holly Street
-
18
Continue on Sunny Ridge Road
1.6 km · 2 min · Sunny Ridge Road
-
19
Turn right onto Stony Meadow Drive
57 m · 8 sec · Stony Meadow Drive
-
20
Arrive at your destination
0 m · 1 sec · Stony Meadow Drive
Car Route Details
A richer read on the saved driving route between Ammon and Nampa.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Vietnam Veterans Memorial Highway
Continue on Vietnam Veterans Memorial Highway
183 mi · 02h 55m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Light Rain Likely leaving Ammon and Mostly Cloudy then Chance Rain Showers near Nampa.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Ammon to Nampa?
The road trip is about 302.9 miles (487.4 km) and usually takes 04h 24m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Hansen is a useful midpoint, sitting about 150.9 miles from Ammon and 151.9 miles from Nampa.
How much longer is the road route than the straight-line distance?
The direct path is about 230.4 miles (370.8 km), while the road route adds roughly 72.5 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 8:00 AM MDT. If you want a more comfortable same-day return, try to leave by 8:10 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $41.62 one way or $83.23 round trip. Estimated CO2 is about 95 kg one way.
What should you check before leaving?
Before you leave, expect Light Rain Likely around Ammon and Mostly Cloudy then Chance Rain Showers near Nampa.
Stop Ideas Near Hansen
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Hansen.
Twin Falls, Idaho
Flight Path Map
This map shows the direct air route between Ammon and Nampa. Straight-line distance: 230.39 mi (370.78 km).
#1 Ammon
City in Idaho, United States
| Population | 17,115 |
| Coordinates | 43.4696400, -111.9666400 |
| Altitude | 1437 |
| Country | United States |
#2 Nampa
The most populous city in Canyon County, Idaho.
| Population | 99,277 |
| Coordinates | 43.5407200, -116.5634600 |
| Altitude | 767 |
| Country | United States |
End: Stony Meadow Drive (-116.563329, 43.541003)
Estimated Travel Time
Distance: 487 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 05m |
| 40 mph (64.37 km/h) | 07h 34m |
| 50 mph (80.47 km/h) | 06h 03m |
| 60 mph (96.56 km/h) | 05h 02m |
| 70 mph (112.65 km/h) | 04h 19m |
| 80 mph (129 km/h) | 03h 46m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $41.62 | $83.23 |
| Mid-grade | $4.23 | $45.23 | $90.46 |
| Premium | $4.55 | $48.63 | $97.26 |
| Diesel | $5.41 | $57.85 | $115.71 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.