Giltedge to Grass Range is 25 miles and takes about 47 minutes via US 87, with a fuel budget near $4 and enough daylight to finish in a day. This short trip stays within the Mountain West region of Montana. The drive is primarily on a highway, making it a straightforward and quick transit. You'll find this route offers minimal driving time, allowing for more flexibility in your day for other activities. It's a practical option if you need to get between these two points efficiently.
Main Roads
Road
Distance
Duration
US 87
17.9 mi
19m
Gilt Edge Road
5.5 mi
21m
Giltedge Road
1.2 mi
4m
East 4th Street
0.3 mi
1m
Main Street
<0.1 mi
—
Some road-level metrics are being recalculated.
Longest stretch:
US 87
— 17.9 mi, about 19m
Turn-by-Turn Driving Directions
Step-by-step road directions between Giltedge, MT and Grass Range, MT.
1
Start on this road
342 ft·18 sec·this road
2
Turn right onto Gilt Edge Road
5.5 mi·21 min·Gilt Edge Road
3
Continue on Giltedge Road
1.2 mi·4 min·Giltedge Road
4
Turn left onto US 87; MT 200
17 mi·18 min·US 87; MT 200
5
Turn right onto US 87
1.1 mi·1 min·US 87
6
Turn right onto East 4th Street
0.3 mi·1 min·East 4th Street
7
Turn right onto Main Street
13 ft·0 sec·Main Street
8
Arrive at destination
Main Street
Heads-up: tricky spots
5 of 5
5 decision points cluster between mile 0.1 and 25 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
4
0.1 mi into trip|~0m in|Gilt Edge Road
Turn right onto Gilt Edge Road
Navigation decision point
4
6.9 mi into trip|~26m in|US 87; MT 200
Turn left onto US 87; MT 200
Navigation decision point
3
23.7 mi into trip|~44m in|US 87
Turn right onto US 87
Navigation decision point
4
24.7 mi into trip|~46m in|East 4th Street
Turn right onto East 4th Street
Navigation decision point
5
25 mi into trip|~47m in|Main Street
Turn right onto Main Street
Navigation decision point
Fuel & Cost
Regular Gas
$4.39 one way
$8.79 round trip
$4.47/gal25.4 MPG avg9 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.67
$4.60
$9.19
premium
$4.99
$4.91
$9.82
diesel
$5.35
$5.27
$10.53
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$4
Estimated CO2 emission: 8.7 kg one way.
Prices: EIA weekly data, 2026-06-01.
Driving Electric?
About $3 in charging
· 0 stops
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
7.5
0
$2.63
$1.20
Efficient EV
6.3
0
$2.19
$1.00
EV Truck/SUV
10
0
$3.50
$1.60
Gas CO2
9 kg
EV CO2
3 kg (67% 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.
Forecast as of May 27, 2026
Origin
Giltedge, MT
Afternoon
in Giltedge on Wednesday
Local time
12:58 PM
MDT
Current temp
83°F
Partly Sunny then Chance Showers And Thunderstorms
ESE 5 to 12 mph33% chanceLive forecast
Heat Advisory
Heat Advisory issued May 27 at 12:12AM MDT until May 27 at 9:00PM MDT by NWS Great Falls MT
Red Flag Warning
Red Flag Warning issued May 26 at 10:07PM MDT until May 27 at 10:00PM MDT by NWS Glasgow MT
Destination
Grass Range, MT
Afternoon
in Grass Range on Wednesday
Local time
12:58 PM
MDT
Current temp
88°F
Partly Sunny then Chance Showers And Thunderstorms
SE 5 to 13 mph27% chanceLive forecast
Heat Advisory
Heat Advisory issued May 27 at 12:12AM MDT until May 27 at 9:00PM MDT by NWS Great Falls MT
Red Flag Warning
Red Flag Warning issued May 26 at 10:07PM MDT until May 27 at 10:00PM MDT by NWS Glasgow MT
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
5 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
47m on the road
The weather snapshot is not static. If you are leaving later, give both cities one more quick forecast check before departure.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
More Details
What kind of drive is this?
This drive is mostly highway, with 71% of the 25 miles on major roads like US 87. You'll experience a continuous stretch of 17.9 miles on US 87 before transitioning to local roads. Expect a smooth cruising experience for the majority of the trip, with fewer exits and a more open feel. The route is mainly on surface roads after leaving US 87, indicating a shift to a more rural setting.
71% highway — fuel and pacing are the main things to plan.
8 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 17.9 mi on US 87.
How Hard Is This Drive?
2/10
This is a straightforward highway drive that stays mostly on US 87 and Gilt Edge Road. Navigation is very simple - set it and forget it for most of the drive. The trickiest moment comes around 0.1 miles in near Gilt Edge Road.
Driving Effort2/10
Very easy - short and simple to drive
Balances navigation complexity with total wheel time.
The drive from Giltedge, MT to Grass Range, MT is easy. At 47m with 71% highway, most drivers will find it relaxed and low-stress.
Where does it get tricky?
The main spots that need attention: at 0.1 miles (Gilt Edge Road): Navigation decision point; at 6.9 miles (US 87; MT 200): Navigation decision point; at 23.7 miles (US 87): Navigation decision point.
Elevation Profile
Gently rolling terrain
4,508 ft3,443 ft
Total Climb
65 ft
Total Descent
1,091 ft
Highest Point
4,508 ft
Elevation Range
1,065 ft
Notable High Points
4,333 ft at ~3.6 miles+25 ft prominence
Detours Along the Way
Tagged by where each one fits in your drive — first break, midpoint, final stretch.
Fort Maginnis Historical Marker
Park
Early in the drive, right off the route
16min in
0.4 mi from route
~1 min detour
Black Bull Mine
Mine
Near the start, short detour
2.7 mi from route
~7 min detour
MT
Points of interest from OpenStreetMap contributors. Listings may not reflect current hours or availability.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 47m. Total distance: 25 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
47m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
The longest stretch is about 17.9 miles on US 87. 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 0.1 miles (Gilt Edge Road): Navigation decision point; at 6.9 miles (US 87; MT 200): Navigation decision point; at 23.7 miles (US 87): Navigation decision point.
Yes. A round trip is manageable in a single day if you plan a break at Grass Range, MT before heading back.