How far is Boise, ID from Star, ID?
The driving distance from Boise, ID to Star, ID is about 16.9 miles (27.2 km), with a travel time of about 00h 29m by car.
- The straight-line flight distance is about 15.5 miles (24.9 km).
- For a round trip, plan for roughly 00h 59m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM MDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 29m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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 Ada County, Idaho, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Rain Showers
Mostly Cloudy then Slight Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Boise and Star.
Turn-by-Turn Driving Directions
Step-by-step road directions between Boise and Star.
-
1
Start on the route
36 m · 14 sec
-
2
Turn left
39 m · 11 sec
-
3
At the end of the road, turn right onto South Capitol Boulevard
849 ft · 34 sec · South Capitol Boulevard
-
4
Turn left onto West Idaho Street
3037 ft · 1 min · West Idaho Street
-
5
Turn right onto North 15th Street
1019 ft · 30 sec · North 15th Street
-
6
Turn left onto West State Street
1.4 km · 2 min · West State Street
-
7
Continue on West State Street
656 ft · 20 sec · West State Street
-
8
Keep slight left to continue on West State Street
9.3 mi · 16 min · West State Street
-
9
Continue straight
5.7 mi · 9 min
-
10
Arrive at your destination
0 m · 1 sec · West State Street
Car Route Details
A richer read on the saved driving route between Boise and Star.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
West State Street
Keep slight left to continue on West State Street
9.25 mi · 00h 16m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Slight Chance Rain Showers leaving Boise and Mostly Cloudy then Slight Chance Rain Showers near Star.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Boise to Star?
The road trip is about 16.9 miles (27.2 km) and usually takes 00h 29m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Eagle is a useful midpoint, sitting about 8.5 miles from Boise and 8.5 miles from Star.
How much longer is the road route than the straight-line distance?
The direct path is about 15.5 miles (24.9 km), while the road route adds roughly 1.4 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 7:00 AM to 7:00 PM MDT. If you want a more comfortable same-day return, try to leave by 7:30 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.34 one way or $4.67 round trip. Estimated CO2 is about 5.3 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Rain Showers around Boise and Mostly Cloudy then Slight Chance Rain Showers near Star.
Stop Ideas Near Eagle
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 Eagle.
Boise, Idaho
Nampa, Idaho
Ontario
Vale, Oregon
Flight Path Map
This map shows the direct air route between Boise and Star. Straight-line distance: 15.48 mi (24.92 km).
#1 Boise
The capital of Idaho.
| Population | 228,959 |
| Coordinates | 43.6135000, -116.2034500 |
| Altitude | 823 |
| Country | United States |
#2 Star
City in Ada County, Idaho, United States
| Population | 10,532 |
| Coordinates | 43.6921100, -116.4934600 |
| Altitude | 753 |
| Country | United States |
End: Star (-116.49346, 43.69211)
Estimated Travel Time
Distance: 27 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 33m |
| 40 mph (64.37 km/h) | 00h 25m |
| 50 mph (80.47 km/h) | 00h 20m |
| 60 mph (96.56 km/h) | 00h 16m |
| 70 mph (112.65 km/h) | 00h 14m |
| 80 mph (129 km/h) | 00h 12m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $2.34 | $4.67 |
| Mid-grade | $4.23 | $2.54 | $5.08 |
| Premium | $4.55 | $2.73 | $5.46 |
| Diesel | $5.41 | $3.25 | $6.49 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.