How far is Star, ID from Idaho Falls, ID?

The driving distance from Star, ID to Idaho Falls, ID is about 298.6 miles (480.6 km), with a travel time of about 04h 14m by car.

  • The straight-line flight distance is about 223.7 miles (360 km).
  • For a round trip, plan for roughly 08h 28m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM MDT.
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
298.63 mi
04h 14m
Flight
223.72 mi
360.04 km direct

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

Learn Distance

Choose another destination from Star.

Flight Distance

Direct air line
223.72 mi
Kilometers
360.04 km
Flight Time
00h 27m

Driving Distance

Road route
298.63 mi
Kilometers
480.6 km
Drive Time
04h 14m

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 14m.

Arrival Snapshot
Arrive in Idaho Falls
Thu, Apr 23, 4:34 AM MDT
Return by in Star
Thu, Apr 23, 8:48 AM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Star
2026-04-23T00:20
Arrive Idaho Falls
Thu, Apr 23, 4:34 AM MDT
Route Timing
04h 14m
One way by road
Best Departure Window
6:00 AM to 8:00 AM MDT
Leave early for more breathing room
Arrive between
10:14 AM to 12:14 PM MDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
8:32 AM MDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Star
9:00 PM MDT
Early departure recommended

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
Hansen
ID

City in Twin Falls County, Idaho, United States

From Star
149.1 mi
02h 07m
To Idaho Falls
149.5 mi
02h 07m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
58°F
Thursday

Mostly Cloudy then Slight Chance Rain Showers

Starts
Thu, Apr 23 6:00 AM MDT
Wind
7 to 13 mph WNW
Destination
50°F
Thursday

Rain And Snow Likely

Starts
Thu, Apr 23 6:00 AM MDT
Wind
18 mph SW

Driving Route Map

The map below follows the saved road route between Star and Idaho Falls.

Turn-by-Turn Driving Directions

Step-by-step road directions between Star and Idaho Falls.

  1. 1

    Start on West State Street

    14 m · 6 sec · West State Street

  2. 2

    Turn right onto South Star Road

    5 mi · 8 min · South Star Road

  3. 3

    Enter the roundabout and take exit 3 toward Cherry Lane

    59 m · 4 sec · Cherry Lane

  4. 4

    Exit the roundabout onto Cherry Lane

    1.6 km · 2 min · Cherry Lane

  5. 5

    Turn right onto North McDermott Road

    1 mi · 2 min · North McDermott Road

  6. 6

    Turn left onto West Franklin Road

    2 mi · 3 min · West Franklin Road

  7. 7

    Turn right onto South Ten Mile Road

    1.3 km · 1 min · South Ten Mile Road

  8. 8

    Take the ramp slight left toward I 84 East

    1.2 km · 55 sec

  9. 9

    Merge slight left onto Vietnam Veterans Memorial Highway

    6.3 mi · 7 min · Vietnam Veterans Memorial Highway

  10. 10

    Keep slight right to continue on Vietnam Veterans Memorial Highway

    172.3 mi · 2 hr 43 min · Vietnam Veterans Memorial Highway

  11. 11

    Continue straight

    62.7 mi · 59 min

  12. 12

    Keep slight left to continue on Idaho Falls

    3046 ft · 40 sec

  13. 13

    Merge slight right

    43.2 mi · 41 min

  14. 14

    Take the exit slight right toward I 15 Business, US 26: Ammon, Jackson

    1448 ft · 36 sec

  15. 15

    Turn right onto West Sunnyside Road

    2.6 mi · 4 min · West Sunnyside Road

  16. 16

    Turn right onto Stonebrook Lane

    142 m · 15 sec · Stonebrook Lane

  17. 17

    Turn right onto West Stone Run Lane

    74 m · 16 sec · West Stone Run Lane

  18. 18

    Turn left onto Charleston Lane

    46 m · 7 sec · Charleston Lane

  19. 19

    Arrive at your destination

    0 m · 1 sec · Charleston Lane

Car Route Details

A richer read on the saved driving route between Star and Idaho Falls.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
19 steps
10 turns on the saved route
Ramps & Exits
6
2 merges, 4 ramps or exits
Navigation Density
6.4 / 100 mi
Decision points by distance
Main Roads
Vietnam Veterans Memorial Highway
285 mi · 95%
South Star Road
4.99 mi · 2%
West Sunnyside Road
2.59 mi · 1%
West Franklin Road
2.01 mi · 1%
Cherry Lane
1.03 mi
North McDermott Road
1.01 mi
Longest Stretch

Vietnam Veterans Memorial Highway

Keep slight right to continue on Vietnam Veterans Memorial Highway

172 mi · 02h 43m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
04h 14m
Long day trip
Same-Day Return
08h 28m
Round-trip wheel time
Road vs Air
+74.9 mi
223.7 mi direct line
Halfway Stop
Hansen
02h 07m from Star
Leave By
8:32 AM MDT
Early departure recommended
Weather Watch

Mostly Cloudy then Slight Chance Rain Showers leaving Star and Rain And Snow Likely near Idaho Falls.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Star to Idaho Falls?

The road trip is about 298.6 miles (480.6 km) and usually takes 04h 14m 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 149.1 miles from Star and 149.5 miles from Idaho Falls.

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

The direct path is about 223.7 miles (360 km), while the road route adds roughly 74.9 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 8:32 AM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $41.03 one way or $82.06 round trip. Estimated CO2 is about 93.7 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Cloudy then Slight Chance Rain Showers around Star and Rain And Snow Likely near Idaho Falls.

Stop Ideas Near Hansen

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Hansen, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Hansen.

BUS

Twin Falls, Idaho

14 mi away
1135 Blue Lakes Circle

Flight Path Map

This map shows the direct air route between Star and Idaho Falls. Straight-line distance: 223.72 mi (360.04 km).

Star

#1 Star

City in Ada County, Idaho, United States

Population10,532
Coordinates43.6921100, -116.4934600
Altitude753
CountryUnited States
Idaho Falls

#2 Idaho Falls

The most populous city in Bonneville County, Idaho.

Population62,888
Coordinates43.4665800, -112.0341400
Altitude1434
CountryUnited States
Start: West State Street (-116.493462, 43.692028)
End: Charleston Lane (-112.034479, 43.46658)

Estimated Travel Time

Distance: 481 km by road

SpeedTime
30 mph (48.3 km/h)09h 57m
40 mph (64.37 km/h)07h 27m
50 mph (80.47 km/h)05h 58m
60 mph (96.56 km/h)04h 58m
70 mph (112.65 km/h)04h 15m
80 mph (129 km/h)03h 43m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
10.54 gal
39.89 L · about $41.03
Round trip
$82.06
21.08 gal · 79.78 L
Estimated CO2
93.7 kg one way
Round trip: 187.3 kg / 413 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $41.03 $82.06
Mid-grade $4.23 $44.59 $89.19
Premium $4.55 $47.95 $95.89
Diesel $5.41 $57.04 $114.08

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

There is no time difference between Star and Idaho Falls. The current time is 00:20:15.

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.