How far is Seward, NE from South Sioux City, NE?

The driving distance from Seward, NE to South Sioux City, NE is about 143.2 miles (230.5 km), with a travel time of about 02h 27m by car.

  • The straight-line flight distance is about 113.9 miles (183.3 km).
  • For a round trip, plan for roughly 04h 55m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM CST.
Trip Tools

Reverse, save, or send this route

This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
143.2 mi
02h 27m
Flight
113.89 mi
183.29 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Seward.

Flight Distance

Direct air line
113.89 mi
Kilometers
183.29 km
Flight Time
00h 13m

Driving Distance

Road route
143.2 mi
Kilometers
230.46 km
Drive Time
02h 27m

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 02h 27m.

Arrival Snapshot
Arrive in South Sioux City
Tue, Nov 10, 6:25 PM CST
Return by in Seward
Tue, Nov 10, 8:52 PM CST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Seward
2026-11-10T15:57
Arrive South Sioux City
Tue, Nov 10, 6:25 PM CST
Route Timing
02h 27m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CST
Aim for a morning departure
Arrive between
10:28 AM to 12:28 PM CST

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
1:34 PM CST
Keeps a same-day return open with about 03h 00m at the destination.
Back in Seward
9:30 PM CST
Morning start is best

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.

Mid-route stop
Fremont
NE

Town in Nebraska, USA

From Seward
71.5 mi
01h 13m
To South Sioux City
71.7 mi
01h 13m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
63°F
Tuesday

Mostly Sunny

Starts
Tue, Nov 10 6:00 AM CST
Wind
5 mph ENE
Destination
62°F
Tuesday

Patchy Fog then Partly Sunny

Starts
Tue, Nov 10 6:00 AM CST
Wind
0 to 5 mph SSE

Driving Route Map

The map below follows the saved road route between Seward and South Sioux City.

Turn-by-Turn Driving Directions

Step-by-step road directions between Seward and South Sioux City.

  1. 1

    Start on Main Street

    15 m · 5 sec · Main Street

  2. 2

    Turn right onto South 6th Street

    1.4 km · 3 min · South 6th Street

  3. 3

    Continue on Highway 15

    1201 ft · 24 sec · Highway 15

  4. 4

    Continue on North 8th Street

    3086 ft · 1 min · North 8th Street

  5. 5

    Continue on 280th Road

    8 mi · 9 min · 280th Road

  6. 6

    Continue on O Road

    11.1 mi · 13 min · O Road

  7. 7

    Turn right onto 32 Road

    10 mi · 12 min · 32 Road

  8. 8

    Continue on County Road K

    5 mi · 6 min · County Road K

  9. 9

    Turn left onto County Road 27

    13 mi · 15 min · County Road 27

  10. 10

    Turn straight onto County Road X

    1.8 mi · 2 min · County Road X

  11. 11

    Turn straight onto County Road 25

    3.9 mi · 5 min · County Road 25

  12. 12

    Continue on Highway 79

    1.2 km · 53 sec · Highway 79

  13. 13

    Continue on South Main Street

    1.3 km · 2 min · South Main Street

  14. 14

    Continue on Highway 79

    1.5 km · 1 min · Highway 79

  15. 15

    Merge slight left onto Highway 30

    14.3 mi · 15 min · Highway 30

  16. 16

    Take the exit slight right

    2227 ft · 1 min

  17. 17

    Turn left onto Highway 77

    7.8 mi · 9 min · Highway 77

  18. 18

    Take the exit slight right toward US 77

    16.8 mi · 20 min

  19. 19

    Enter the roundabout and take exit 2 toward Charde Avenue

    58 m · 3 sec · Charde Avenue

  20. 20

    Exit the roundabout onto Charde Avenue

    1.6 mi · 3 min · Charde Avenue

  21. 21

    Continue on Highway 77

    26.7 mi · 31 min · Highway 77

  22. 22

    Enter the roundabout and take exit 2 toward South Bluff Street

    38 m · 6 sec · South Bluff Street

  23. 23

    Exit the roundabout onto South Bluff Street

    3031 ft · 1 min · South Bluff Street

  24. 24

    Continue on Highway 77

    832 ft · 24 sec · Highway 77

  25. 25

    Enter the roundabout and take exit 2 toward Highway 77

    31 m · 4 sec · Highway 77

  26. 26

    Exit the roundabout onto Highway 77

    16.8 mi · 21 min · Highway 77

  27. 27

    Turn right onto West 21st Street

    1 km · 1 min · West 21st Street

  28. 28

    Turn left onto Dakota Avenue

    1499 ft · 51 sec · Dakota Avenue

  29. 29

    Arrive at your destination

    0 m · 1 sec · Dakota Avenue

Car Route Details

A richer read on the saved driving route between Seward and South Sioux City.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
29 steps
14 turns on the saved route
Ramps & Exits
9
1 merges, 8 ramps or exits
Navigation Density
20.3 / 100 mi
Decision points by distance
Main Roads
Highway 77
51.5 mi · 36%
US 77
16.8 mi · 12%
Highway 30
14.8 mi · 10%
County Road 27
13 mi · 9%
O Road
11.1 mi · 8%
32 Road
10 mi · 7%
Longest Stretch

Highway 77

Continue on Highway 77

26.7 mi · 00h 31m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

A comfortable day-trip route

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

Drive Time
02h 27m
Day trip friendly
Same-Day Return
04h 56m
Round-trip wheel time
Road vs Air
+29.3 mi
113.9 mi direct line
Halfway Stop
Fremont
01h 13m from Seward
Leave By
1:34 PM CST
Morning start is best
Weather Watch

Mostly Sunny leaving Seward and Patchy Fog then Partly Sunny near South Sioux City.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Seward to South Sioux City?

The road trip is about 143.2 miles (230.5 km) and usually takes 02h 27m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

What is the halfway point on this route?

Fremont is a useful midpoint, sitting about 71.5 miles from Seward and 71.7 miles from South Sioux City.

How much longer is the road route than the straight-line distance?

The direct path is about 113.9 miles (183.3 km), while the road route adds roughly 29.3 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 8:00 AM to 10:00 AM CST. If you want a more comfortable same-day return, try to leave by 1:34 PM CST.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $20.21 one way or $40.42 round trip. Estimated CO2 is about 44.9 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Seward and Patchy Fog then Partly Sunny near South Sioux City.

Stop Ideas Near Fremont

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Fremont, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Fremont.

RAIL

Omaha

52 mi away
1003 S. 9th Street
RAIL

Lincoln

71 mi away
201 North 7th St.

Flight Path Map

This map shows the direct air route between Seward and South Sioux City. Straight-line distance: 113.89 mi (183.29 km).

Photo coming soon

#1 Seward

City in Alaska, USA

Population7,363
Coordinates40.9069500, -97.0989200
Altitude455
CountryUnited States
South Sioux City

#2 South Sioux City

City in Dakota County, Nebraska, United States

Population12,809
Coordinates42.4738800, -96.4136400
Altitude337
CountryUnited States
Start: Main Street (-97.09892, 40.906974)
End: Dakota Avenue (-96.413706, 42.473915)

Estimated Travel Time

Distance: 230 km by road

SpeedTime
30 mph (48.3 km/h)04h 46m
40 mph (64.37 km/h)03h 34m
50 mph (80.47 km/h)02h 51m
60 mph (96.56 km/h)02h 23m
70 mph (112.65 km/h)02h 02m
80 mph (129 km/h)01h 47m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
5.05 gal
19.13 L · about $20.21
Round trip
$40.42
10.1 gal · 38.26 L
Estimated CO2
44.9 kg one way
Round trip: 89.8 kg / 198 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.00 $20.21 $40.42
Mid-grade $4.26 $21.52 $43.04
Premium $4.80 $24.22 $48.45
Diesel $5.94 $29.99 $59.97

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 · Nov 10, 2026

There is no time difference between Seward and South Sioux City. The current time is 15:57:37.

Distance to Other Cities

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.