Origin
Roundup, MT
Late night in Roundup on Tuesday
Local time
3:09 AM
MDT
Current temp
28°F
Unavailable
Live forecast
Trip from Roundup, MT to Billings, MT
Pin this tripCompiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 21, 2026 · Editorial standards
Drive Time
58m
Distance
49.5 mi
80 km
Drive Score
6/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$8
one way
EV Charging
Unknown
Best Time to Leave
4 AM
0h 53m
★
6 AM
0h 58m
8 AM
1h 8m
10 AM
1h 2m
12 PM
1h 1m
3 PM
1h 2m
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.
Roundup, MT
James Mirakian
Billings, MT
Wikimedia Commons
Trip Overview
This 49.5-mile drive from Roundup to Billings, Montana, is a short hop that can easily be completed in under an hour. It's a perfect candidate for a single day trip, so no need to plan an overnight. You'll navigate through local streets like 1st Avenue West, Main Street, and 1st Avenue North for the majority of this journey, with no highway driving involved. The estimated fuel cost is around $8, making it an economical option. This route offers a straightforward connection within the Mountain West region, ideal for a quick transit or a scenic detour.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| 1st Avenue West | 44.4 mi | 48m |
| Main Street | 3.8 mi | 6m |
| 1st Avenue North | 1.2 mi | 2m |
| North 25th Street | <0.1 mi | <1m |
| Roundup Road | <0.1 mi | <1m |
| Montana Avenue | <0.1 mi | <1m |
Longest stretch:
1st Avenue West
— 44.4 mi, about 48m
Turn-by-Turn Driving Directions
Step-by-step road directions between Roundup, MT and Billings, MT.
1
Start on US 12; US 87
0.2 mi
·
24 sec
·
Main Street
2
Turn right onto US 12; US 87
44 mi
·
48 min
·
1st Avenue West
Use the right lane.
3
Continue on US 87
261 ft
·
6 sec
·
Roundup Road
4
Turn right onto US 87
3.5 mi
·
5 min
·
Main Street
5
Turn straight onto I 90 Business
1.2 mi
·
2 min
·
1st Avenue North
6
Turn left onto North 25th Street
375 ft
·
15 sec
·
North 25th Street
7
Turn left onto I 90 Business
169 ft
·
5 sec
·
Montana Avenue
8
Arrive at destination
I 90 Business
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
First break window
Fuel and coffeeA short stop after about 11 miles helps settle the day before fatigue starts building.
Halfway reset
Meal breakThe midpoint is around 24.8 miles from Roundup, MT, 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
3 of 33 decision points cluster between mile 0.2 and 49.5 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
5
0.2 mi into trip
|
~0m in
|
US 12; US 87 / 1st Avenue West
Turn right onto US 12; US 87 / 1st Avenue West
Lane positioning matters here
Use the right lane.
4
49.4 mi into trip
|
~57m in
|
North 25th Street
Turn left onto North 25th Street
Navigation decision point
5
49.5 mi into trip
|
~58m in
|
I 90 Business / Montana Avenue
Turn left onto I 90 Business / Montana Avenue
Navigation decision point
Fuel & Cost
Regular Gas
$7.84 one way
$15.69 round trip
$4.03/gal
25.4 MPG avg
17 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.22 | $8.22 | $16.44 |
| premium | $4.53 | $8.83 | $17.66 |
| diesel | $5.61 | $10.93 | $21.86 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$8
Estimated CO2 emission: 17.3 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 | $5.20 | $2.38 |
| Efficient EV | 12.4 | 0 | $4.33 | $1.98 |
| EV Truck/SUV | 19.8 | 0 | $6.93 | $3.17 |
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
Billings, MT
Late night in Billings on Tuesday
Local time
3:09 AM
MDT
Current temp
52°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
24 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
58m 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 "turn-heavy local drive" on this route, as indicated by the data. With a 0% highway share, you'll be navigating city streets and local roads for the entire 49.5 miles. The longest stretch without a turn is a substantial 44.4 miles along 1st Avenue West, offering a period of more consistent travel before you transition onto other local thoroughfares. This type of driving means you'll be frequently adjusting speed and making turns, so staying alert is key. It's less about open-road cruising and more about direct local transit.
Only 0% highway — the rest is turn-by-turn surface driving.
8 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 44.4 mi on 1st Avenue West.
How Hard Is This Drive?
1/10
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. Navigation is very simple - set it and forget it for most of the drive. The trickiest moment comes around 0.2 miles in near US 12; US 87 / 1st Avenue West.
Driving Effort
1/10
Very easy - short and simple to drive
Balances navigation complexity with total wheel time.
The drive from Roundup, MT to Billings, MT is easy. At 58m with 0% highway, most drivers will find it relaxed and low-stress.
Where does it get tricky?
The main spots that need attention: at 0.2 miles (US 12; US 87 / 1st Avenue West): Lane positioning matters here; at 49.4 miles (North 25th Street): Navigation decision point; at 49.5 miles (I 90 Business / Montana Avenue): Navigation decision point.
About the Cities
Arriving in Billings, MT
Full guide →Billings is the largest city in Montana in Yellowstone County, with an estimated 110,000 people (2019). As a destination, Billings does a significant amount of convention business and is also the host to various regional events such as music festivals, athletic contests, rodeos, and outdoor activities. Billings hosts the largest hospitals in a 500-mile radius, as such the medical profession is a major source of employment in the area. Billings is also a frequent overnight or meal stop for westbound visitors to Yellowstone National Park, as it is the last major city for visitors going to the park via the Beartooth Highway.
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 58m. Total distance: 49.5 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
58m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (0%). Straightforward navigation.
Scenic Drive
Mostly surface roads route profile.
Frequently Asked Questions
The longest stretch is about 44.4 miles on 1st Avenue West. 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 MT 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 0.2 miles (US 12; US 87 / 1st Avenue West): Lane positioning matters here; at 49.4 miles (North 25th Street): Navigation decision point; at 49.5 miles (I 90 Business / Montana Avenue): Navigation decision point.
Yes. A round trip is manageable in a single day if you plan a break at Billings, MT 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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