Origin
Billings, MT
Late night in Billings on Tuesday
Local time
2:06 AM
MDT
Current temp
52°F
Unavailable
Live forecast
Trip from Billings, MT to Roundup, 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
57m
Distance
49.4 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 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.
Billings, MT
Wikimedia Commons
Roundup, MT
James Mirakian
Trip Overview
Billings, MT to Roundup, MT is 49.4 miles and takes about 57 minutes via Roundup Road, with a fuel budget near $8 and enough daylight to finish in a day. This short trip stays within Montana's Mountain West region, offering a straightforward drive. It's a quick hop between two nearby towns, perfect for a day trip or a simple connection if you're already in the area. You'll primarily be on surface roads, so don't expect a high-speed highway experience. This route is ideal if you're looking for minimal travel time to reach your destination.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Roundup Road | 44.4 mi | 48m |
| Main Street | 3.7 mi | 6m |
| 1st Avenue North | 0.7 mi | 1m |
| Montana Avenue | 0.5 mi | 1m |
| North 18th Street | <0.1 mi | <1m |
Longest stretch:
Roundup Road
— 44.4 mi, about 48m
Turn-by-Turn Driving Directions
Step-by-step road directions between Billings, MT and Roundup, MT.
1
Start on I 90 Business
0.5 mi
·
1 min
·
Montana Avenue
2
Turn left onto I 90 Business
420 ft
·
8 sec
·
North 18th Street
3
At end of road, turn right onto I 90 Business
0.7 mi
·
1 min
·
1st Avenue North
4
Continue on 1st Avenue North
403 ft
·
9 sec
·
1st Avenue North
5
Continue on US 87
3.5 mi
·
5 min
·
Main Street
6
Turn slight left onto US 87
44 mi
·
48 min
·
Roundup Road
7
Turn left onto US 12; US 87
0.2 mi
·
20 sec
·
Main Street
8
Arrive at destination
US 12; US 87
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.
Halfway reset
Meal breakThe midpoint is around 24.7 miles from Billings, 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
2 of 22 decision points cluster between mile 0.5 and 49.2 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
4
0.5 mi into trip
|
~1m in
|
I 90 Business / 1st Avenue North
At end of road, turn right onto I 90 Business / 1st Avenue North
Navigation decision point
3
49.2 mi into trip
|
~57m in
|
US 12; US 87 / Main Street
Turn left onto US 12; US 87 / Main Street
Navigation decision point
Fuel & Cost
Regular Gas
$7.83 one way
$15.66 round trip
$4.03/gal
25.4 MPG avg
17 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.22 | $8.21 | $16.41 |
| premium | $4.53 | $8.81 | $17.62 |
| diesel | $5.61 | $10.91 | $21.81 |
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 | 14.8 | 0 | $5.19 | $2.37 |
| Efficient EV | 12.4 | 0 | $4.32 | $1.98 |
| EV Truck/SUV | 19.8 | 0 | $6.92 | $3.16 |
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
Roundup, MT
Late night in Roundup on Tuesday
Local time
2:06 AM
MDT
Current temp
28°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 cooler 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?
This route is entirely on surface roads, meaning you won't encounter any highway driving. The longest continuous stretch you'll experience is 44.4 miles on Roundup Road. Expect a rural cruising feel for most of the drive. You'll navigate through areas that are likely less developed, with traffic signals and intersections being more common than on a freeway.
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 Roundup Road.
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 0.5 miles in near I 90 Business / 1st Avenue North.
Driving Effort
1/10
Very easy - short and simple to drive
Balances navigation complexity with total wheel time.
The drive from Billings, MT to Roundup, MT is easy. At 57m with 0% highway, most drivers will find it relaxed and low-stress.
Where does it get tricky?
The main spots that need attention: at 0.5 miles (I 90 Business / 1st Avenue North): Navigation decision point; at 49.2 miles (US 12; US 87 / Main Street): Navigation decision point.
About the Cities
Starting 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 57m. Total distance: 49.4 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 (0%). Straightforward navigation.
Scenic Drive
Mostly surface roads route profile.
Frequently Asked Questions
The longest stretch is about 44.4 miles on Roundup Road. 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 0.5 miles (I 90 Business / 1st Avenue North): Navigation decision point; at 49.2 miles (US 12; US 87 / Main Street): Navigation decision point.
Yes. A round trip is manageable in a single day if you plan a break at Roundup, 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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