How far is Rock Springs, WY from South Greeley, WY?

The driving distance from Rock Springs, WY to South Greeley, WY is about 258.1 miles (415.4 km), with a travel time of about 04h 18m by car.

  • The straight-line flight distance is about 230.5 miles (371 km).
  • For a round trip, plan for roughly 08h 37m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM MDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
258.14 mi
04h 18m
Flight
230.54 mi
371.02 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Rock Springs.

Flight Distance

Direct air line
230.54 mi
Kilometers
371.02 km
Flight Time
00h 27m

Driving Distance

Road route
258.14 mi
Kilometers
415.43 km
Drive Time
04h 18m

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 04h 18m.

Arrival Snapshot
Arrive in South Greeley
Thu, Apr 23, 2:56 AM MDT
Return by in Rock Springs
Thu, Apr 23, 7:14 AM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Rock Springs
2026-04-22T22:37
Arrive South Greeley
Thu, Apr 23, 2:56 AM MDT
Route Timing
04h 18m
One way by road
Best Departure Window
6:00 AM to 8:00 AM MDT
Leave early for more breathing room
Arrive between
10:19 AM to 12:19 PM MDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
8:22 AM MDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Rock Springs
9:00 PM MDT
Early departure recommended

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
Sinclair
WY

Town of the United States

From Rock Springs
128.8 mi
02h 09m
To South Greeley
129.3 mi
02h 09m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
58°F
Wednesday

Mostly Sunny then Slight Chance T-storms

Starts
Wed, Apr 22 6:00 AM MDT
Wind
12 to 29 mph SW
Destination
75°F
Wednesday

Mostly Sunny

Starts
Wed, Apr 22 6:00 AM MDT
Wind
5 to 35 mph SW

Driving Route Map

The map below follows the saved road route between Rock Springs and South Greeley.

Turn-by-Turn Driving Directions

Step-by-step road directions between Rock Springs and South Greeley.

  1. 1

    Start on Collins Street

    26 m · 7 sec · Collins Street

  2. 2

    Turn right onto Agate Street

    129 m · 19 sec · Agate Street

  3. 3

    At the end of the road, turn left onto Edgar Street

    789 ft · 26 sec · Edgar Street

  4. 4

    Turn right onto Virginia Street

    905 ft · 40 sec · Virginia Street

  5. 5

    At the end of the road, turn right onto James Drive

    977 ft · 33 sec · James Drive

  6. 6

    At the end of the road, turn left onto South Side Belt Route

    2190 ft · 48 sec · South Side Belt Route

  7. 7

    Turn right onto 9th Street

    2182 ft · 38 sec · 9th Street

  8. 8

    Take the ramp right

    1916 ft · 30 sec

  9. 9

    Merge slight left onto Dwight D. Eisenhower Highway

    251.7 mi · 4 hr 8 min · Dwight D. Eisenhower Highway

  10. 10

    Continue on Purple Heart Trail

    2.5 mi · 2 min · Purple Heart Trail

  11. 11

    Take the exit slight right toward I 180, US 85: Central Avenue, Greely

    1266 ft · 34 sec

  12. 12

    Turn right onto North Greeley Highway

    1.2 mi · 1 min · North Greeley Highway

  13. 13

    Turn right onto West College Drive

    1824 ft · 36 sec · West College Drive

  14. 14

    Turn left onto Cedar Avenue

    1319 ft · 43 sec · Cedar Avenue

  15. 15

    At the end of the road, turn left onto Citrus Street

    43 m · 8 sec · Citrus Street

  16. 16

    Turn right onto Rooks Avenue

    663 ft · 29 sec · Rooks Avenue

  17. 17

    Arrive at your destination

    0 m · 1 sec · Rooks Avenue

Car Route Details

A richer read on the saved driving route between Rock Springs and South Greeley.

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
17 steps
11 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
6.6 / 100 mi
Decision points by distance
Main Roads
Dwight D. Eisenhower Highway
252 mi · 98%
Purple Heart Trail
2.49 mi · 1%
North Greeley Highway
1.17 mi
9th Street
0.78 mi
South Side Belt Route
0.42 mi
West College Drive
0.35 mi
Longest Stretch

Dwight D. Eisenhower Highway

Merge slight left onto Dwight D. Eisenhower Highway

252 mi · 04h 08m

Route Summary

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

Trip Read

A longer out-and-back drive

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

Drive Time
04h 18m
Long day trip
Same-Day Return
08h 38m
Round-trip wheel time
Road vs Air
+27.6 mi
230.5 mi direct line
Halfway Stop
Sinclair
02h 09m from Rock Springs
Leave By
8:22 AM MDT
Early departure recommended
Weather Watch

Mostly Sunny then Slight Chance T-storms leaving Rock Springs and Mostly Sunny near South Greeley.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Rock Springs to South Greeley?

The road trip is about 258.1 miles (415.4 km) and usually takes 04h 18m in normal driving conditions.

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

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

What is the halfway point on this route?

Sinclair is a useful midpoint, sitting about 128.8 miles from Rock Springs and 129.3 miles from South Greeley.

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

The direct path is about 230.5 miles (371 km), while the road route adds roughly 27.6 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 8:00 AM MDT. If you want a more comfortable same-day return, try to leave by 8:22 AM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $35.47 one way or $70.93 round trip. Estimated CO2 is about 81 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny then Slight Chance T-storms around Rock Springs and Mostly Sunny near South Greeley.

Flight Path Map

This map shows the direct air route between Rock Springs and South Greeley. Straight-line distance: 230.54 mi (371.02 km).

Rock Springs

#1 Rock Springs

City in Sweetwater County, Wyoming, United States

Population22,943
Coordinates41.5874600, -109.2029000
Altitude1947
CountryUnited States
South Greeley

#2 South Greeley

Census-designated place in Laramie County, Wyoming

Population4,217
Coordinates41.0969300, -104.8063600
Altitude1843
CountryUnited States
Start: Rock Springs (-109.2029, 41.58746)
End: South Greeley (-104.80636, 41.09693)

Estimated Travel Time

Distance: 415 km by road

SpeedTime
30 mph (48.3 km/h)08h 36m
40 mph (64.37 km/h)06h 27m
50 mph (80.47 km/h)05h 09m
60 mph (96.56 km/h)04h 18m
70 mph (112.65 km/h)03h 41m
80 mph (129 km/h)03h 13m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
9.11 gal
34.48 L · about $35.47
Round trip
$70.93
18.22 gal · 68.96 L
Estimated CO2
81 kg one way
Round trip: 161.9 kg / 357 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $35.47 $70.93
Mid-grade $4.23 $38.54 $77.09
Premium $4.55 $41.44 $82.88
Diesel $5.41 $49.30 $98.61

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 Wyoming · Apr 23, 2026

There is no time difference between Rock Springs and South Greeley. The current time is 22:37:12.

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.