How far is Fremont County, ID from Nampa, ID?
The driving distance from Fremont County, ID to Nampa, ID is about 340.3 miles (547.6 km), with a travel time of about 05h 51m by car.
- The straight-line flight distance is about 257.4 miles (414.3 km).
- For a round trip, plan for roughly 11h 42m 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 05h 51m.
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 Minidoka County, Idaho, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Fremont County and Nampa.
Turn-by-Turn Driving Directions
Step-by-step road directions between Fremont County and Nampa.
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1
Start on South Antelope Flat Road
4.3 mi · 17 min · South Antelope Flat Road
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2
At the end of the road, turn right onto Idaho Medal of Honor Highway
25.5 mi · 29 min · Idaho Medal of Honor Highway
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3
Continue on Yellowstone Highway
17.2 mi · 18 min · Yellowstone Highway
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4
Continue on Idaho Medal of Honor Highway
15.4 mi · 16 min · Idaho Medal of Honor Highway
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5
Continue on Rigby Highway
3.1 mi · 4 min · Rigby Highway
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6
Merge slight right onto Grandview Drive
575 ft · 14 sec · Grandview Drive
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7
Take the exit slight right toward I 15 South: Arco, Pocatello
1466 ft · 37 sec
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8
Merge slight left onto Veterans Memorial Highway
46.5 mi · 44 min · Veterans Memorial Highway
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9
Take the exit slight right toward I 86 West: Chubbuck, Twin Falls
1 km · 44 sec
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10
Continue straight
62.7 mi · 59 min
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11
Continue on Vietnam Veterans Memorial Highway
183 mi · 2 hr 55 min · Vietnam Veterans Memorial Highway
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12
Take the exit slight right toward I 84 Business: Garrity Boulevard, Idaho Center Boulevard
1901 ft · 53 sec
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13
Turn left onto Garrity Boulevard
1.4 mi · 3 min · Garrity Boulevard
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14
Turn left onto North Kings Road
1.2 km · 1 min · North Kings Road
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15
Enter the roundabout and take exit 2 toward South Kings Road
38 m · 3 sec · South Kings Road
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16
Exit the roundabout onto South Kings Road
1 mi · 2 min · South Kings Road
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17
Turn right onto East Amity Avenue
1.2 mi · 2 min · East Amity Avenue
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18
Continue on Diamond Street
792 ft · 16 sec · Diamond Street
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19
Continue on East Colorado Avenue
1143 ft · 35 sec · East Colorado Avenue
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20
Turn left onto Holly Street
1556 ft · 45 sec · Holly Street
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21
Continue on Sunny Ridge Road
1.6 km · 2 min · Sunny Ridge Road
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22
Turn right onto Stony Meadow Drive
57 m · 8 sec · Stony Meadow Drive
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23
Arrive at your destination
0 m · 1 sec · Stony Meadow Drive
Car Route Details
A richer read on the saved driving route between Fremont County 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.
Sunny leaving Fremont County and Mostly Sunny near Nampa.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Fremont County to Nampa?
The road trip is about 340.3 miles (547.6 km) and usually takes 05h 51m 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?
Rupert is a useful midpoint, sitting about 182.3 miles from Fremont County and 158 miles from Nampa.
How much longer is the road route than the straight-line distance?
The direct path is about 257.4 miles (414.3 km), while the road route adds roughly 82.9 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 8:00 AM MDT. If you want a more comfortable same-day return, try to leave by 5:18 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $46.75 one way or $93.51 round trip. Estimated CO2 is about 106.7 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Fremont County and Mostly Sunny near Nampa.
Stop Ideas Near Rupert
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 Rupert.
Twin Falls, Idaho
Flight Path Map
This map shows the direct air route between Fremont County and Nampa. Straight-line distance: 257.43 mi (414.29 km).
#1 Fremont County
County in Idaho, United States
| Population | 13,099 |
| Coordinates | 44.2287900, -111.4820200 |
| Altitude | 1892 |
| 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: 548 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 11h 20m |
| 40 mph (64.37 km/h) | 08h 30m |
| 50 mph (80.47 km/h) | 06h 48m |
| 60 mph (96.56 km/h) | 05h 40m |
| 70 mph (112.65 km/h) | 04h 51m |
| 80 mph (129 km/h) | 04h 14m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $46.75 | $93.51 |
| Mid-grade | $4.23 | $50.81 | $101.63 |
| Premium | $4.55 | $54.63 | $109.27 |
| Diesel | $5.41 | $65.00 | $130.00 |
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 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.