Origin
New Plymouth, ID
Night in New Plymouth on Saturday
Local time
10:43 PM
MDT
Current temp
46°F
Unavailable
Live forecast
Trip from New Plymouth, ID to Boise, ID
Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 19, 2026 · Editorial standards
Drive Time
57m
Distance
49.7 mi
80 km
Drive Score
6/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$8
one way
EV Charging
Good
6 stations
Best Time to Leave
4 AM
0h 53m
★
6 AM
0h 58m
8 AM
1h 7m
10 AM
1h 1m
12 PM
1h 0m
3 PM
1h 1m
5 PM
1h 7m
8 PM
0h 55m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
New Plymouth, ID
cottonbro studio
Boise, ID
Wikimedia Commons
Trip Overview
This 49.7-mile drive from New Plymouth, ID, to Boise, ID, is easily manageable within a single day, taking approximately 57 minutes. Primarily utilizing the Vietnam Veterans Memorial Highway, Boise Connector, and South East Avenue, this route stays within the Mountain West region of Idaho. With an estimated fuel cost of $8, it's an economical trip. The drive is characterized as a turn-heavy local experience, suggesting you'll encounter more frequent navigation adjustments rather than long, straight stretches. Given its short duration, it's perfect for a quick transit or a day trip without the need for overnight stops.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Vietnam Veterans Memorial Highway | 38.6 mi | 41m |
| Boise Connector | 4.7 mi | 6m |
| South East Avenue | 4.6 mi | 6m |
| Idaho Medal of Honor Highway | 0.7 mi | <1m |
| West Myrtle Street | 0.6 mi | 1m |
| US 30 | 0.3 mi | <1m |
| West Front Street | 0.1 mi | <1m |
| South 5th Street | 0.1 mi | <1m |
Longest stretch:
Vietnam Veterans Memorial Highway
— 38.6 mi, about 41m
Turn-by-Turn Driving Directions
Step-by-step road directions between New Plymouth, ID and Boise, ID.
1
Start on US 30
4.6 mi
·
6 min
·
South East Avenue
2
Take the ramp onto US 30
0.3 mi
·
20 sec
·
US 30
3
Merge onto I 84; US 30
17 mi
·
16 min
·
Vietnam Veterans Memorial Highway
4
Continue on I 84; US 20; US 26; US 30
0.7 mi
·
47 sec
·
Idaho Medal of Honor Highway
5
Continue on I 84; US 20; US 26; US 30
22 mi
·
25 min
·
Vietnam Veterans Memorial Highway
Use the straight / slight right lanes.
6
Keep slight left at fork onto I 184
4.7 mi
·
6 min
·
Boise Connector
Exit 49
Use the straight / slight right lanes.
7
Continue on US 20; US 26
0.6 mi
·
1 min
·
West Myrtle Street
Use the straight / left lanes.
8
Turn left onto South 5th Street
0.1 mi
·
26 sec
·
South 5th Street
9
Turn left onto US 20; US 26
0.1 mi
·
19 sec
·
West Front Street
10
Turn right
55 ft
·
4 sec
11
Arrive at destination
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Mid-route town
Meal stop
25 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
Pacing Suggestions
Fuel and coffee
A short stop after about 11 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 24.9 miles from New Plymouth, ID, which is a good place for a longer meal and fuel stop.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Heads-up: tricky spots
5 of 65 decision points cluster between mile 4.6 and 49.7 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
3
4.6 mi into trip
|
~6m in
|
US 30
Take the ramp onto US 30
Navigation decision point
7
44.2 mi into trip
|
~49m in
|
I 184 / Boise Connector
Keep slight left at fork onto I 184 / Boise Connector
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
Exit 49
4
49.5 mi into trip
|
~56m in
|
South 5th Street
Turn left onto South 5th Street
Navigation decision point
4
49.6 mi into trip
|
~57m in
|
US 20; US 26 / West Front Street
Turn left onto US 20; US 26 / West Front Street
Navigation decision point
4
49.7 mi into trip
|
~57m in
Turn right
Navigation decision point
Fuel & Cost
Regular Gas
$7.88 one way
$15.75 round trip
$4.03/gal
25.4 MPG avg
17 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.22 | $8.26 | $16.51 |
| premium | $4.53 | $8.87 | $17.73 |
| diesel | $5.61 | $10.97 | $21.95 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$8
Estimated CO2 emission: 17.4 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $5 in charging · 0 stops · 65% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 14.9 | 0 | $5.22 | $2.39 |
| Efficient EV | 12.4 | 0 | $4.35 | $1.99 |
| EV Truck/SUV | 19.9 | 0 | $6.96 | $3.18 |
Gas CO2
17 kg
EV CO2
6 kg (65% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Destination
Boise, ID
Night in Boise on Saturday
Local time
10:43 PM
MDT
Current temp
62°F
Unavailable
Live forecast
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
16 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
57m on the road
Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
What kind of drive is this?
Expect a dynamic driving experience on this route, with a significant portion of your journey on local roads. The highway share is 100%, but the profile indicates a 'turn-heavy local drive,' meaning you won't be on a monotonous interstate for the entire 49.7 miles. The longest uninterrupted stretch you'll encounter is 38.6 miles along the Vietnam Veterans Memorial Highway. This suggests a blend of potentially faster highway segments interspersed with more intricate local road navigation, requiring your attention to turns and speed adjustments.
Only 1% highway — the rest is turn-by-turn surface driving.
11 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 38.6 mi on Vietnam Veterans Memorial Highway.
How Hard Is This Drive?
4/10
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. There are only a few real navigation decisions along the way. The trickiest moment comes around 4.6 miles in near US 30.
Driving Effort
4/10
Easy - simple navigation with a manageable amount of wheel time
Balances navigation complexity with total wheel time.
This is a straightforward 57m drive. You will face about 6 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
The main spots that need attention: at 4.6 miles (US 30): Navigation decision point; at 44.2 miles (I 184 / Boise Connector): Highway fork - watch signs carefully. Lane positioning matters here; at 49.5 miles (South 5th Street): Navigation decision point.
About the Cities
Arriving in Boise, ID
Full guide →Boise is the capital and largest city of Idaho. Boise offers numerous recreational opportunities, including extensive hiking and biking in the foothills to the immediate north of downtown. Boise is a regional hub for jazz, theater, and indie music, and is home to several museums.
City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 57m. Total distance: 49.7 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
57m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (1%). Straightforward navigation.
Scenic Drive
Mostly surface roads route profile.
Frequently Asked Questions
The longest stretch is about 38.6 miles on Vietnam Veterans Memorial Highway. The full list of main roads is in the Roads section above.
Yes. At under 2 hours behind the wheel, this works well for families — plan one quick stop if you have younger kids.
Mostly yes along the main roads, but rural stretches through ID can have sparse or no coverage. Before you leave, download offline Google Maps or Apple Maps for the route, and consider downloading music or podcasts instead of streaming. If you depend on data for navigation, keep a paper backup of the turn-by-turn directions.
The main spots that need attention: at 4.6 miles (US 30): Navigation decision point; at 44.2 miles (I 184 / Boise Connector): Highway fork - watch signs carefully. Lane positioning matters here; at 49.5 miles (South 5th Street): Navigation decision point.
Yes. A round trip is manageable in a single day if you plan a break at Boise, ID before heading back.
How this page is built
Compiled by the US Trip Planner planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, and EIA for fuel prices. See our methodology for refresh cadence and limitations.
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