How far is Alliance, NE from South Sioux City, NE?
The driving distance from Alliance, NE to South Sioux City, NE is about 398.8 miles (641.8 km), with a travel time of about 06h 44m by car.
- The straight-line flight distance is about 331.1 miles (532.8 km).
- For a round trip, plan for roughly 13h 28m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM MDT.
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 06h 44m.
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.
Village in Nebraska - United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny then Slight Chance Showers And Thunderstorms
Partly Sunny then Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Alliance and South Sioux City.
Turn-by-Turn Driving Directions
Step-by-step road directions between Alliance and South Sioux City.
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1
Start on Laramie Avenue
56 m · 10 sec · Laramie Avenue
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2
Turn right onto West 8th Street
2296 ft · 1 min · West 8th Street
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3
At the end of the road, turn right onto Mississippi Avenue
1824 ft · 57 sec · Mississippi Avenue
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4
Turn left onto East 3rd Street
1660 ft · 42 sec · East 3rd Street
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5
Turn straight onto Perkins Road
8.3 mi · 10 min · Perkins Road
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6
Continue on State Highway 2
6 mi · 7 min · State Highway 2
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7
Continue on 1st Street
2868 ft · 38 sec · 1st Street
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8
Continue on State Highway 2
82.4 mi · 1 hr 38 min · State Highway 2
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9
Continue on Southeast 1st Street
25.2 mi · 29 min · Southeast 1st Street
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10
Continue on Court Street
1.1 km · 45 sec · Court Street
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11
Continue on Highway 2
16.5 mi · 19 min · Highway 2
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12
Continue on Jewett Avenue
10.4 mi · 12 min · Jewett Avenue
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13
Turn left
45 mi · 52 min
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14
Turn right onto 3rd Street
1320 ft · 22 sec · 3rd Street
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15
Continue on Highway 183
1.2 km · 58 sec · Highway 183
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16
Turn left onto Highway 91
13.4 mi · 16 min · Highway 91
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17
Turn left onto Highway 11
2644 ft · 53 sec · Highway 11
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18
Continue on South 1st Avenue
1888 ft · 38 sec · South 1st Avenue
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19
Continue on North 1st Avenue
782 ft · 16 sec · North 1st Avenue
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20
Continue on Highway 11
1.5 km · 1 min · Highway 11
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21
Turn straight onto Highway 91
16.1 mi · 19 min · Highway 91
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22
Continue on Highway 70/91
2.5 mi · 3 min · Highway 70/91
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23
Continue on Highway 70 - 91
11.1 mi · 13 min · Highway 70 - 91
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24
Turn left onto Highway 281
6.8 mi · 8 min · Highway 281
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25
Continue on East Street
1382 ft · 18 sec · East Street
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26
Continue on Highway 281
7 mi · 8 min · Highway 281
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27
Turn right onto Highway 70
23.9 mi · 28 min · Highway 70
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28
Turn left onto 2nd Street
1349 ft · 27 sec · 2nd Street
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29
Continue on Highway 14
10.6 mi · 12 min · Highway 14
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30
Continue on S Street
1750 ft · 35 sec · S Street
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31
Continue on Highway 14
14.7 mi · 17 min · Highway 14
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32
Turn right onto Highway 20
11.6 mi · 13 min · Highway 20
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33
Continue on West Park Avenue
1.3 mi · 3 min · West Park Avenue
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34
Continue on Highway 20
8.8 mi · 10 min · Highway 20
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35
Continue on Front Street
1.1 km · 1 min · Front Street
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36
Continue on Highway 20
20.3 mi · 24 min · Highway 20
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37
Continue on 1st Street
2087 ft · 35 sec · 1st Street
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38
Continue on Highway 20
5.6 mi · 7 min · Highway 20
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39
Continue on Willow Street
1615 ft · 34 sec · Willow Street
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40
Continue on Highway 20
30.1 mi · 35 min · Highway 20
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41
Continue on West Elk Street
2600 ft · 1 min · West Elk Street
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42
Continue on Highway 20
6.4 mi · 7 min · Highway 20
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43
Take the exit slight right toward US 77 North: Sioux City
1131 ft · 37 sec
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44
Continue on Highway 77
1.6 mi · 3 min · Highway 77
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45
Turn right onto West 21st Street
1 km · 1 min · West 21st Street
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46
Turn left onto Dakota Avenue
1499 ft · 51 sec · Dakota Avenue
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47
Arrive at your destination
0 m · 1 sec · Dakota Avenue
Car Route Details
A richer read on the saved driving route between Alliance and South Sioux City.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
State Highway 2
Continue on State Highway 2
82.4 mi · 01h 38m
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.
Mostly Sunny then Slight Chance Showers And Thunderstorms leaving Alliance and Partly Sunny then Chance Showers And Thunderstorms near South Sioux City.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Alliance to South Sioux City?
The road trip is about 398.8 miles (641.8 km) and usually takes 06h 44m 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?
Taylor is a useful midpoint, sitting about 196.9 miles from Alliance and 201.9 miles from South Sioux City.
How much longer is the road route than the straight-line distance?
The direct path is about 331.1 miles (532.8 km), while the road route adds roughly 67.7 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 MDT. 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 $53.06 one way or $106.12 round trip. Estimated CO2 is about 125 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Alliance and South Sioux City, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Mostly Sunny then Slight Chance Showers And Thunderstorms around Alliance and Partly Sunny then Chance Showers And Thunderstorms near South Sioux City.
Flight Path Map
This map shows the direct air route between Alliance and South Sioux City. Straight-line distance: 331.04 mi (532.75 km).
#1 Alliance
City and county seat of Box Butte County, Nebraska, United States
| Population | 8,029 |
| Coordinates | 42.1016300, -102.8721500 |
| Altitude | 1209 |
| Country | United States |
#2 South Sioux City
City in Dakota County, Nebraska, United States
| Population | 12,809 |
| Coordinates | 42.4738800, -96.4136400 |
| Altitude | 337 |
| Country | United States |
End: Dakota Avenue (-96.413706, 42.473915)
Estimated Travel Time
Distance: 642 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 13h 17m |
| 40 mph (64.37 km/h) | 09h 58m |
| 50 mph (80.47 km/h) | 07h 58m |
| 60 mph (96.56 km/h) | 06h 38m |
| 70 mph (112.65 km/h) | 05h 41m |
| 80 mph (129 km/h) | 04h 58m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $53.06 | $106.12 |
| Mid-grade | $4.25 | $59.84 | $119.68 |
| Premium | $4.65 | $65.48 | $130.96 |
| Diesel | $5.30 | $74.63 | $149.25 |
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 Nebraska · Jun 02, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.