How far is Sidney, NE from Alliance, NE?

The driving distance from Sidney, NE to Alliance, NE is about 78.9 miles (127 km), with a travel time of about 01h 22m by car.

  • The straight-line flight distance is about 66.5 miles (107 km).
  • For a round trip, plan for roughly 02h 44m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM MDT.
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
78.93 mi
01h 22m
Flight
66.47 mi
106.98 km direct

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

Learn Distance

Choose another destination from Sidney.

Flight Distance

Direct air line
66.47 mi
Kilometers
106.98 km
Flight Time
00h 08m

Driving Distance

Road route
78.93 mi
Kilometers
127.02 km
Drive Time
01h 22m

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 01h 22m.

Arrival Snapshot
Arrive in Alliance
Thu, Apr 23, 12:11 AM MDT
Return by in Sidney
Thu, Apr 23, 1:33 AM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Sidney
2026-04-22T22:48
Arrive Alliance
Thu, Apr 23, 12:11 AM MDT
Route Timing
01h 22m
One way by road
Best Departure Window
8:00 AM to 10:00 AM MDT
Aim for a morning departure
Arrive between
9:22 AM to 11:22 AM MDT

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

Leave by
3:46 PM MDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Sidney
9:30 PM MDT
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
Bridgeport
NE

City in Morrill County, Nebraska, United States

From Sidney
39.5 mi
00h 41m
To Alliance
39.5 mi
00h 41m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
86°F
Wednesday

Mostly Sunny then Slight Chance Showers And Thunderstorms

Starts
Wed, Apr 22 6:00 AM MDT
Wind
10 to 25 mph S
Destination
85°F
Wednesday

Mostly Sunny then Slight Chance Rain Showers

Starts
Wed, Apr 22 6:00 AM MDT
Wind
10 to 20 mph S

Driving Route Map

The map below follows the saved road route between Sidney and Alliance.

Turn-by-Turn Driving Directions

Step-by-step road directions between Sidney and Alliance.

  1. 1

    Start on 11th Avenue

    8 m · 3 sec · 11th Avenue

  2. 2

    Turn right onto King Street

    106 m · 21 sec · King Street

  3. 3

    Turn left onto 10th Avenue

    723 ft · 19 sec · 10th Avenue

  4. 4

    Turn right onto Illinois Street

    1.6 mi · 2 min · Illinois Street

  5. 5

    At the end of the road, turn left onto US Highway 30

    1708 ft · 34 sec · US Highway 30

  6. 6

    Continue on US Highway 385

    12 mi · 14 min · US Highway 385

  7. 7

    Continue on Front Street

    2557 ft · 43 sec · Front Street

  8. 8

    Continue on US Highway 385

    5.4 mi · 6 min · US Highway 385

  9. 9

    Continue on Broad Street

    3135 ft · 53 sec · Broad Street

  10. 10

    Continue on US Highway 385

    13.3 mi · 15 min · US Highway 385

  11. 11

    At the end of the road, turn left

    8.1 mi · 9 min

  12. 12

    Continue on Main Street

    1 mi · 2 min · Main Street

  13. 13

    Continue straight

    34.1 mi · 38 min

  14. 14

    Turn right onto West 3rd Street

    1.1 mi · 2 min · West 3rd Street

  15. 15

    Turn left onto Emerson Avenue

    1819 ft · 54 sec · Emerson Avenue

  16. 16

    Turn right onto West 8th Street

    1521 ft · 45 sec · West 8th Street

  17. 17

    Turn right onto Laramie Avenue

    56 m · 8 sec · Laramie Avenue

  18. 18

    Arrive at your destination

    0 m · 1 sec · Laramie Avenue

Car Route Details

A richer read on the saved driving route between Sidney and Alliance.

OSRM road route
Drive Character

Straightforward drive

The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.

Directions
18 steps
9 turns on the saved route
Ramps & Exits
0
0 merges, 0 ramps or exits
Navigation Density
22.8 / 100 mi
Decision points by distance
Main Roads
Main Street
35.1 mi · 44%
US Highway 385
30.7 mi · 39%
Illinois Street
1.64 mi · 2%
West 3rd Street
1.08 mi · 1%
Broad Street
0.59 mi · 1%
Front Street
0.48 mi · 1%
Longest Stretch

Main Street

Continue straight

34.1 mi · 00h 38m

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
01h 22m
Day trip friendly
Same-Day Return
02h 44m
Round-trip wheel time
Road vs Air
+12.4 mi
66.5 mi direct line
Halfway Stop
Bridgeport
00h 41m from Sidney
Leave By
3:46 PM MDT
Morning start is best
Weather Watch

Mostly Sunny then Slight Chance Showers And Thunderstorms leaving Sidney and Mostly Sunny then Slight Chance Rain Showers near Alliance.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Sidney to Alliance?

The road trip is about 78.9 miles (127 km) and usually takes 01h 22m 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?

Bridgeport is a useful midpoint, sitting about 39.5 miles from Sidney and 39.5 miles from Alliance.

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

The direct path is about 66.5 miles (107 km), while the road route adds roughly 12.4 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 MDT. If you want a more comfortable same-day return, try to leave by 3:46 PM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $10.48 one way or $20.97 round trip. Estimated CO2 is about 24.7 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny then Slight Chance Showers And Thunderstorms around Sidney and Mostly Sunny then Slight Chance Rain Showers near Alliance.

Flight Path Map

This map shows the direct air route between Sidney and Alliance. Straight-line distance: 66.47 mi (106.98 km).

Sidney

#1 Sidney

City in Nebraska, United States

Population6,235
Coordinates41.1427600, -102.9779800
Altitude1246
CountryUnited States
Alliance

#2 Alliance

City and county seat of Box Butte County, Nebraska, United States

Population8,029
Coordinates42.1016300, -102.8721500
Altitude1209
CountryUnited States
Start: 11th Avenue (-102.977924, 41.142761)
End: Laramie Avenue (-102.872304, 42.101626)

Estimated Travel Time

Distance: 127 km by road

SpeedTime
30 mph (48.3 km/h)02h 37m
40 mph (64.37 km/h)01h 58m
50 mph (80.47 km/h)01h 34m
60 mph (96.56 km/h)01h 18m
70 mph (112.65 km/h)01h 07m
80 mph (129 km/h)00h 59m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
2.78 gal
10.54 L · about $10.48
Round trip
$20.97
5.56 gal · 21.08 L
Estimated CO2
24.7 kg one way
Round trip: 49.4 kg / 109 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $10.48 $20.97
Mid-grade $4.25 $11.82 $23.65
Premium $4.65 $12.94 $25.88
Diesel $5.30 $14.75 $29.49

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 · Apr 23, 2026

There is no time difference between Sidney and Alliance. The current time is 22:48:45.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

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