How far is Boise, ID from Sugar City, ID?

The driving distance from Boise, ID to Sugar City, ID is about 311.5 miles (501.3 km), with a travel time of about 05h 04m by car.

  • The straight-line flight distance is about 223.1 miles (359 km).
  • For a round trip, plan for roughly 10h 08m 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
311.51 mi
05h 04m
Flight
223.08 mi
359.01 km direct

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

Learn Distance

Choose another destination from Boise.

Flight Distance

Direct air line
223.08 mi
Kilometers
359.01 km
Flight Time
00h 26m

Driving Distance

Road route
311.51 mi
Kilometers
501.32 km
Drive Time
05h 04m

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 04m.

Arrival Snapshot
Arrive in Sugar City
Sun, May 31, 6:36 AM MDT
Return by in Boise
Sun, May 31, 11:41 AM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Boise
2026-05-31T01:32
Arrive Sugar City
Sun, May 31, 6:36 AM MDT
Route Timing
05h 04m
One way by road
Best Departure Window
6:00 AM to 8:00 AM MDT
Leave early for more breathing room
Arrive between
11:04 AM to 1:04 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
6:52 AM MDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Boise
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
Burley
ID

City in Idaho

From Boise
155.6 mi
02h 32m
To Sugar City
156 mi
02h 32m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
74°F
Sunday

Sunny

Starts
Sun, May 31 6:00 AM MDT
Wind
5 to 9 mph WNW
Destination
64°F
Sunday

Chance Light Rain then Chance Showers And Thunderstorms

Starts
Sun, May 31 6:00 AM MDT
Wind
7 to 12 mph SW

Driving Route Map

The map below follows the saved road route between Boise and Sugar City.

Turn-by-Turn Driving Directions

Step-by-step road directions between Boise and Sugar City.

  1. 1

    Start on the route

    36 m · 11 sec

  2. 2

    Turn right

    80 m · 21 sec

  3. 3

    Turn right onto South 6th Street

    849 ft · 39 sec · South 6th Street

  4. 4

    Turn left onto West Myrtle Street

    1 km · 1 min · West Myrtle Street

  5. 5

    Turn right onto South Broadway Avenue

    2.8 mi · 6 min · South Broadway Avenue

  6. 6

    Take the ramp left toward I 84 East

    2049 ft · 46 sec · Idaho Medal of Honor Highway

  7. 7

    Continue on Vietnam Veterans Memorial Highway

    166.5 mi · 2 hr 36 min · Vietnam Veterans Memorial Highway

  8. 8

    Continue straight

    62.7 mi · 59 min

  9. 9

    Keep slight left to continue on Idaho Falls

    3046 ft · 40 sec

  10. 10

    Merge slight right

    46.3 mi · 44 min

  11. 11

    Take the exit slight right toward US 20 East, I 15: Rigby, West Yellowstone

    1434 ft · 35 sec

  12. 12

    Continue on Rigby Highway

    3.1 mi · 4 min · Rigby Highway

  13. 13

    Continue on Idaho Medal of Honor Highway

    15.4 mi · 16 min · Idaho Medal of Honor Highway

  14. 14

    Continue on Yellowstone Highway

    11.9 mi · 13 min · Yellowstone Highway

  15. 15

    Take the exit slight right toward Sugar City, Salem

    1435 ft · 36 sec

  16. 16

    Turn right onto West Center Street

    2376 ft · 53 sec · West Center Street

  17. 17

    Turn left onto North Austin Avenue

    16 m · 2 sec · North Austin Avenue

  18. 18

    Arrive at your destination

    0 m · 1 sec · North Austin Avenue

Car Route Details

A richer read on the saved driving route between Boise and Sugar City.

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
18 steps
6 turns on the saved route
Ramps & Exits
4
1 merges, 3 ramps or exits
Navigation Density
5.8 / 100 mi
Decision points by distance
Main Roads
Vietnam Veterans Memorial Highway
229 mi · 74%
Idaho Falls
46.9 mi · 15%
Idaho Medal of Honor Highway
15.6 mi · 5%
Yellowstone Highway
12.1 mi · 4%
Rigby Highway
3.13 mi · 1%
South Broadway Avenue
2.77 mi · 1%
Longest Stretch

Vietnam Veterans Memorial Highway

Continue on Vietnam Veterans Memorial Highway

166 mi · 02h 36m

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
05h 04m
Long day trip
Same-Day Return
10h 08m
Round-trip wheel time
Road vs Air
+88.4 mi
223.1 mi direct line
Halfway Stop
Burley
02h 32m from Boise
Leave By
6:52 AM MDT
Early departure recommended
Weather Watch

Sunny leaving Boise and Chance Light Rain then Chance Showers And Thunderstorms near Sugar City.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Boise to Sugar City?

The road trip is about 311.5 miles (501.3 km) and usually takes 05h 04m 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?

Burley is a useful midpoint, sitting about 155.6 miles from Boise and 156 miles from Sugar City.

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

The direct path is about 223.1 miles (359 km), while the road route adds roughly 88.4 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 6:52 AM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $42.78 one way or $85.57 round trip. Estimated CO2 is about 97.7 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Boise and Chance Light Rain then Chance Showers And Thunderstorms near Sugar City.

Stop Ideas Near Burley

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

Mid-route Guidance
Local place coverage is thin around Burley, 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 Burley.

BUS

Twin Falls, Idaho

55 mi away
1135 Blue Lakes Circle

Flight Path Map

This map shows the direct air route between Boise and Sugar City. Straight-line distance: 223.08 mi (359.01 km).

Boise

#1 Boise

The capital of Idaho.

Population228,959
Coordinates43.6135000, -116.2034500
Altitude823
CountryUnited States
Sugar City

#2 Sugar City

City in Madison County, Idaho, United States

Population1,452
Coordinates43.8729700, -111.7483000
Altitude1492
CountryUnited States
Start: Boise (-116.20345, 43.6135)
End: Sugar City (-111.7483, 43.87297)

Estimated Travel Time

Distance: 501 km by road

SpeedTime
30 mph (48.3 km/h)10h 22m
40 mph (64.37 km/h)07h 47m
50 mph (80.47 km/h)06h 13m
60 mph (96.56 km/h)05h 11m
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.

One-way fuel
10.99 gal
41.61 L · about $42.78
Round trip
$85.57
21.98 gal · 83.22 L
Estimated CO2
97.7 kg one way
Round trip: 195.3 kg / 431 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $42.78 $85.57
Mid-grade $4.23 $46.50 $93.00
Premium $4.55 $49.99 $99.99
Diesel $5.41 $59.48 $118.96

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 · May 31, 2026

There is no time difference between Boise and Sugar City. The current time is 01:32:08.

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.