How far is Glendive, MT from Sioux City, IA?
The driving distance from Glendive, MT to Sioux City, IA is about 706 miles (1136.2 km), with a travel time of about 11h 23m by car.
- The straight-line flight distance is about 516.5 miles (831.3 km).
- For a round trip, plan for roughly 22h 46m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM MST.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 11h 23m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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 North Dakota
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Cloudy
Sunny
Driving Route Map
The map below follows the saved road route between Glendive and Sioux City.
Turn-by-Turn Driving Directions
Step-by-step road directions between Glendive and Sioux City.
-
1
Start on Merrill Avenue
1.4 mi · 3 min · Merrill Avenue
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2
Take the ramp slight right
202.7 mi · 3 hr 17 min
-
3
Continue straight
98.8 mi · 1 hr 33 min
-
4
Continue straight
82.5 mi · 1 hr 20 min
-
5
Take the exit slight right toward I 29 South, US 81 South: Sioux Falls
2360 ft · 58 sec
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6
Merge slight left
318 mi · 5 hr 3 min
-
7
Take the exit slight right toward US 77 South: Hamilton Boulevard, South Sioux City, Wesley Parkway
1555 ft · 40 sec
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8
Continue on I 29 South
39 m · 5 sec
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9
Keep slight right to continue on US 77 South: South Sioux City, Wesley Parkway
2939 ft · 47 sec
-
10
Turn left onto Wesley Parkway
1470 ft · 44 sec · Wesley Parkway
-
11
Turn slight right
83 m · 10 sec
-
12
Turn straight onto 5th Street
634 ft · 29 sec · 5th Street
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13
Turn left onto Pearl Street
1593 ft · 46 sec · Pearl Street
-
14
Turn right onto 9th Street
2106 ft · 2 min · 9th Street
-
15
Turn left
35 m · 9 sec
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16
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Glendive and Sioux City.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 29 South
Merge slight left
318 mi · 05h 03m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Partly Cloudy leaving Glendive and Sunny near Sioux City.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Glendive to Sioux City?
The road trip is about 706 miles (1136.2 km) and usually takes 11h 23m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Buffalo is a useful midpoint, sitting about 352.4 miles from Glendive and 353.6 miles from Sioux City.
How much longer is the road route than the straight-line distance?
The direct path is about 516.5 miles (831.3 km), while the road route adds roughly 189.5 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 6:00 AM to 7:30 AM MST. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $99.62 one way or $199.23 round trip. Estimated CO2 is about 221.4 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Glendive and Sioux City, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Partly Cloudy around Glendive and Sunny near Sioux City.
Stop Ideas Near Buffalo
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 Buffalo.
Fargo
Grand Forks
Flight Path Map
This map shows the direct air route between Glendive and Sioux City. Straight-line distance: 516.53 mi (831.28 km).
#1 Glendive
City in Montana
| Population | 4,878 |
| Coordinates | 47.1052900, -104.7124600 |
| Altitude | 629 |
| Country | United States |
#2 Sioux City
The second most populous city in Iowa.
| Population | 82,651 |
| Coordinates | 42.4999900, -96.4003100 |
| Altitude | 366 |
| Country | United States |
End: Sioux City (-96.40031, 42.49999)
Estimated Travel Time
Distance: 1136 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 23h 31m |
| 40 mph (64.37 km/h) | 17h 39m |
| 50 mph (80.47 km/h) | 14h 07m |
| 60 mph (96.56 km/h) | 11h 45m |
| 70 mph (112.65 km/h) | 10h 05m |
| 80 mph (129 km/h) | 08h 48m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.00 | $99.62 | $199.23 |
| Mid-grade | $4.29 | $106.89 | $213.78 |
| Premium | $4.66 | $116.11 | $232.21 |
| Diesel | $6.02 | $149.86 | $299.72 |
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 Montana · Nov 11, 2026