How far is Fremont County, ID from Meridian, ID?
The driving distance from Fremont County, ID to Meridian, ID is about 329.3 miles (530 km), with a travel time of about 05h 29m by car.
- The straight-line flight distance is about 248 miles (399.1 km).
- For a round trip, plan for roughly 10h 59m 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 29m.
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 Cassia 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 Meridian.
Turn-by-Turn Driving Directions
Step-by-step road directions between Fremont County and Meridian.
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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
176.9 mi · 2 hr 48 min · Vietnam Veterans Memorial Highway
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12
Take the exit slight right toward ID 69 South: Meridian, Kuna
2058 ft · 50 sec
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13
Keep slight right
94 m · 10 sec
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14
Turn slight right onto South Meridian Road
836 ft · 20 sec · South Meridian Road
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15
Continue on South Main Street
1.1 km · 2 min · South Main Street
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16
Continue on North Main Street
2197 ft · 1 min · North Main Street
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17
Arrive at your destination
0 m · 1 sec · North Main Street
Car Route Details
A richer read on the saved driving route between Fremont County and Meridian.
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
177 mi · 02h 48m
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 Meridian.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Fremont County to Meridian?
The road trip is about 329.3 miles (530 km) and usually takes 05h 29m 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?
Declo is a useful midpoint, sitting about 176.9 miles from Fremont County and 152.4 miles from Meridian.
How much longer is the road route than the straight-line distance?
The direct path is about 248 miles (399.1 km), while the road route adds roughly 81.3 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 6:00 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $45.24 one way or $90.47 round trip. Estimated CO2 is about 103.3 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Fremont County and Mostly Sunny near Meridian.
Stop Ideas Near Declo
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 Declo.
Twin Falls, Idaho
Flight Path Map
This map shows the direct air route between Fremont County and Meridian. Straight-line distance: 247.98 mi (399.09 km).
#1 Fremont County
County in Idaho, United States
| Population | 13,099 |
| Coordinates | 44.2287900, -111.4820200 |
| Altitude | 1892 |
| Country | United States |
#2 Meridian
The most populous city in Ada County, Idaho.
| Population | 114,161 |
| Coordinates | 43.6121100, -116.3915100 |
| Altitude | 794 |
| Country | United States |
End: North Main Street (-116.391572, 43.61211)
Estimated Travel Time
Distance: 530 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 58m |
| 40 mph (64.37 km/h) | 08h 14m |
| 50 mph (80.47 km/h) | 06h 35m |
| 60 mph (96.56 km/h) | 05h 29m |
| 70 mph (112.65 km/h) | 04h 42m |
| 80 mph (129 km/h) | 04h 06m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $45.24 | $90.47 |
| Mid-grade | $4.23 | $49.16 | $98.33 |
| Premium | $4.55 | $52.86 | $105.72 |
| Diesel | $5.41 | $62.89 | $125.77 |
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.