How far is Idaho Falls, ID from Marsing, ID?
The driving distance from Idaho Falls, ID to Marsing, ID is about 312.4 miles (502.8 km), with a travel time of about 05h 07m by car.
- The straight-line flight distance is about 239.5 miles (385.5 km).
- For a round trip, plan for roughly 10h 14m 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 07m.
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.
The most populous city in Twin Falls County, Idaho.
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 Idaho Falls and Marsing.
Turn-by-Turn Driving Directions
Step-by-step road directions between Idaho Falls and Marsing.
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1
Start on Charleston Lane
46 m · 9 sec · Charleston Lane
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2
Turn right onto West Stone Run Lane
74 m · 16 sec · West Stone Run Lane
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3
Turn left onto Stonebrook Lane
142 m · 20 sec · Stonebrook Lane
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4
Turn left onto West Sunnyside Road
2.7 mi · 4 min · West Sunnyside Road
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5
Take the exit left toward Blackfook, Pocatello, Salt Lake City
1307 ft · 32 sec
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6
Merge slight left onto Veterans Memorial Highway
43.1 mi · 41 min · Veterans Memorial Highway
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7
Take the exit slight right toward I 86 West: Chubbuck, Twin Falls
1 km · 44 sec
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8
Continue straight
62.7 mi · 59 min
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9
Continue on Vietnam Veterans Memorial Highway
187.8 mi · 3 hr 1 min · Vietnam Veterans Memorial Highway
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10
Take the exit slight right toward ID 55 South: Karcher Road, Midland Boulevard
1702 ft · 45 sec
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11
Turn right onto State Highway 55
3178 ft · 1 min · State Highway 55
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12
Continue on West Karcher Road
1484 ft · 30 sec · West Karcher Road
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13
Keep slight right to continue on West Karcher Road
9.1 mi · 11 min · West Karcher Road
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14
Continue on Sunnyslope Road
4.8 mi · 7 min · Sunnyslope Road
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15
Arrive at your destination
0 m · 1 sec · West Main Street
Car Route Details
A richer read on the saved driving route between Idaho Falls and Marsing.
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
188 mi · 03h 01m
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 Idaho Falls and Mostly Sunny near Marsing.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Idaho Falls to Marsing?
The road trip is about 312.4 miles (502.8 km) and usually takes 05h 07m 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?
Twin Falls is a useful midpoint, sitting about 156 miles from Idaho Falls and 156.5 miles from Marsing.
How much longer is the road route than the straight-line distance?
The direct path is about 239.5 miles (385.5 km), while the road route adds roughly 72.9 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 6:46 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $42.90 one way or $85.80 round trip. Estimated CO2 is about 97.9 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Idaho Falls and Mostly Sunny near Marsing.
Stop Ideas Near Twin Falls
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 Twin Falls.
Twin Falls, Idaho
Flight Path Map
This map shows the direct air route between Idaho Falls and Marsing. Straight-line distance: 239.53 mi (385.48 km).
#1 Idaho Falls
The most populous city in Bonneville County, Idaho.
| Population | 62,888 |
| Coordinates | 43.4665800, -112.0341400 |
| Altitude | 1434 |
| Country | United States |
#2 Marsing
City in Owyhee County, Idaho, United States
| Population | 1,318 |
| Coordinates | 43.5454400, -116.8132000 |
| Altitude | 701 |
| Country | United States |
End: Marsing (-116.8132, 43.54544)
Estimated Travel Time
Distance: 503 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 24m |
| 40 mph (64.37 km/h) | 07h 48m |
| 50 mph (80.47 km/h) | 06h 14m |
| 60 mph (96.56 km/h) | 05h 12m |
| 70 mph (112.65 km/h) | 04h 27m |
| 80 mph (129 km/h) | 03h 53m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $42.90 | $85.80 |
| Mid-grade | $4.23 | $46.63 | $93.25 |
| Premium | $4.55 | $50.13 | $100.26 |
| Diesel | $5.41 | $59.64 | $119.28 |
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.