How far is South Sioux City, NE from Alliance, NE?
The driving distance from South Sioux City, NE to Alliance, NE is about 398.4 miles (641.2 km), with a travel time of about 06h 41m by car.
- The straight-line flight distance is about 331.1 miles (532.8 km).
- For a round trip, plan for roughly 13h 23m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM CDT.
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 41m.
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.
Partly Sunny then Chance Showers And Thunderstorms
Mostly Sunny then Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between South Sioux City and Alliance.
Turn-by-Turn Driving Directions
Step-by-step road directions between South Sioux City and Alliance.
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1
Start on Dakota Avenue
1499 ft · 55 sec · Dakota Avenue
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2
Turn right onto West 21st Street
1 km · 1 min · West 21st Street
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3
Turn left onto Highway 77
1.3 mi · 2 min · Highway 77
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4
Take the exit slight right toward US 20 West
2387 ft · 41 sec
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5
Merge slight left
36.7 mi · 43 min
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6
Continue on Willow Street
1615 ft · 34 sec · Willow Street
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7
Continue on Highway 20
5.6 mi · 7 min · Highway 20
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8
Continue on 1st Street
2087 ft · 35 sec · 1st Street
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9
Continue on Highway 20
20.3 mi · 24 min · Highway 20
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10
Continue on Front Street
1.1 km · 1 min · Front Street
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11
Continue on Highway 20
8.8 mi · 10 min · Highway 20
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12
Continue on East Park Avenue
1.3 mi · 3 min · East Park Avenue
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13
Continue on Highway 20
11.6 mi · 13 min · Highway 20
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14
Turn left onto Highway 14
14.7 mi · 17 min · Highway 14
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15
Continue on S Street
1750 ft · 35 sec · S Street
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16
Continue on Highway 14
10.6 mi · 12 min · Highway 14
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17
Continue on 2nd Street
1349 ft · 29 sec · 2nd Street
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18
Turn right onto Highway 70
23.9 mi · 28 min · Highway 70
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19
Turn left onto Highway 281
7 mi · 8 min · Highway 281
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20
Continue on East Street
1382 ft · 18 sec · East Street
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21
Continue on Highway 281
6.8 mi · 8 min · Highway 281
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22
Turn right onto Highway 70 - 91
11.1 mi · 13 min · Highway 70 - 91
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23
Continue on Highway 70/91
2.5 mi · 3 min · Highway 70/91
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24
Continue on Highway 91
16.1 mi · 19 min · Highway 91
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25
Continue on Highway 11
1.5 km · 1 min · Highway 11
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26
Continue on North 1st Avenue
2670 ft · 53 sec · North 1st Avenue
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27
Continue on Highway 11
2644 ft · 55 sec · Highway 11
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28
Turn right onto Highway 91
13.4 mi · 16 min · Highway 91
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29
At the end of the road, turn right onto Highway 183
1.2 km · 53 sec · Highway 183
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30
Continue on 3rd Street
1320 ft · 28 sec · 3rd Street
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31
Turn left onto Broadway Street
2062 ft · 41 sec · Broadway Street
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32
Continue on Highway 91
44.6 mi · 51 min · Highway 91
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33
At the end of the road, turn right
150.3 mi · 2 hr 57 min
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34
Turn right onto Mississippi Avenue
1824 ft · 57 sec · Mississippi Avenue
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35
Turn left onto East 8th Street
2296 ft · 1 min · East 8th Street
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36
Turn left onto Laramie Avenue
56 m · 8 sec · Laramie Avenue
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37
Arrive at your destination
0 m · 1 sec · Laramie Avenue
Car Route Details
A richer read on the saved driving route between South Sioux City and Alliance.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Longest stretch
At the end of the road, turn right
150 mi · 02h 57m
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 Sunny then Chance Showers And Thunderstorms leaving South Sioux City and Mostly Sunny then Slight Chance Showers And Thunderstorms near Alliance.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from South Sioux City to Alliance?
The road trip is about 398.4 miles (641.2 km) and usually takes 06h 41m 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 196.7 miles from South Sioux City and 201.7 miles from Alliance.
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 67.3 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 CDT. 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 $53.02 one way or $106.04 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 South Sioux City and Alliance, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Partly Sunny then Chance Showers And Thunderstorms around South Sioux City and Mostly Sunny then Slight Chance Showers And Thunderstorms near Alliance.
Flight Path Map
This map shows the direct air route between South Sioux City and Alliance. Straight-line distance: 331.04 mi (532.75 km).
#1 South Sioux City
City in Dakota County, Nebraska, United States
| Population | 12,809 |
| Coordinates | 42.4738800, -96.4136400 |
| Altitude | 337 |
| Country | United States |
#2 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 |
End: Laramie Avenue (-102.872304, 42.101626)
Estimated Travel Time
Distance: 641 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 13h 16m |
| 40 mph (64.37 km/h) | 09h 57m |
| 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 | $53.02 | $106.04 |
| Mid-grade | $4.25 | $59.80 | $119.59 |
| Premium | $4.65 | $65.44 | $130.87 |
| Diesel | $5.30 | $74.57 | $149.15 |
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.