How far is Sleepy Hollow, WY from Rock Springs, WY?

The driving distance from Sleepy Hollow, WY to Rock Springs, WY is about 352.3 miles (567 km), with a travel time of about 06h 00m by car.

  • The straight-line flight distance is about 265 miles (426.4 km).
  • For a round trip, plan for roughly 12h 00m 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
352.32 mi
06h 00m
Flight
264.93 mi
426.36 km direct

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

Learn Distance

Choose another destination from Sleepy Hollow.

Flight Distance

Direct air line
264.93 mi
Kilometers
426.36 km
Flight Time
00h 31m

Driving Distance

Road route
352.32 mi
Kilometers
567 km
Drive Time
06h 00m

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 00m.

Arrival Snapshot
Arrive in Rock Springs
Thu, Oct 15, 6:45 PM MDT
Return by in Sleepy Hollow
Fri, Oct 16, 12:45 AM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Sleepy Hollow
2026-10-15T12:44
Arrive Rock Springs
Thu, Oct 15, 6:45 PM MDT
Route Timing
06h 00m
One way by road
Best Departure Window
6:00 AM to 8:00 AM MDT
Leave early for more breathing room
Arrive between
12:00 PM to 2:00 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
5:00 AM MDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Sleepy Hollow
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
Bairoil
WY

Town of the United States

From Sleepy Hollow
175.5 mi
03h 00m
To Rock Springs
176.8 mi
03h 00m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
49°F
Thursday

Mostly Sunny

Starts
Thu, Oct 15 6:00 AM MDT
Wind
20 to 25 mph NW
Destination
50°F
Today

Sunny

Starts
Thu, Oct 15 10:00 AM MDT
Wind
12 to 18 mph ENE

Driving Route Map

The map below follows the saved road route between Sleepy Hollow and Rock Springs.

Turn-by-Turn Driving Directions

Step-by-step road directions between Sleepy Hollow and Rock Springs.

  1. 1

    Start on the route

    1124 ft · 59 sec

  2. 2

    Turn left onto Katrina Avenue

    1704 ft · 1 min · Katrina Avenue

  3. 3

    Turn right onto Tarry Street

    747 ft · 39 sec · Tarry Street

  4. 4

    Turn left onto Irving Boulevard

    978 ft · 45 sec · Irving Boulevard

  5. 5

    At the end of the road, turn right onto Sleepy Hollow Boulevard

    940 ft · 46 sec · Sleepy Hollow Boulevard

  6. 6

    Turn left onto Mather Avenue

    1261 ft · 58 sec · Mather Avenue

  7. 7

    At the end of the road, turn right onto Union Chapel Road

    1.2 mi · 3 min · Union Chapel Road

  8. 8

    Turn left onto State Highway 59 South

    32.8 mi · 36 min · State Highway 59 South

  9. 9

    Turn right

    51.3 mi · 59 min

  10. 10

    Turn left

    18.1 mi · 21 min

  11. 11

    Take the exit left toward I 25 South: Casper

    2173 ft · 53 sec

  12. 12

    Merge slight left

    20.1 mi · 19 min

  13. 13

    Take the exit slight right toward US 20 West, US 26 West, WY 220 West: Shoshoni, Port of Entry

    1757 ft · 43 sec

  14. 14

    Keep slight left

    577 ft · 17 sec

  15. 15

    Turn right

    2.7 mi · 3 min

  16. 16

    Continue on Casper West Belt

    7.3 mi · 9 min · Casper West Belt

  17. 17

    Turn right onto County Road 308

    63.7 mi · 1 hr 12 min · County Road 308

  18. 18

    Continue straight

    44.1 mi · 51 min

  19. 19

    Turn right onto West Spruce Street

    1.5 mi · 2 min · West Spruce Street

  20. 20

    Take the ramp right

    1 km · 1 min

  21. 21

    Merge slight left onto Dwight D. Eisenhower Highway

    103.6 mi · 1 hr 40 min · Dwight D. Eisenhower Highway

  22. 22

    Take the exit slight right toward I 80 Business West, US 30 Business West

    2755 ft · 48 sec

  23. 23

    Turn left onto 9th Street

    2579 ft · 51 sec · 9th Street

  24. 24

    Turn left onto South Side Belt Route

    2032 ft · 41 sec · South Side Belt Route

  25. 25

    Turn slight right

    70 m · 10 sec

  26. 26

    Turn straight onto James Drive

    813 ft · 25 sec · James Drive

  27. 27

    Turn left onto Virginia Street

    905 ft · 47 sec · Virginia Street

  28. 28

    Turn left onto Edgar Street

    789 ft · 22 sec · Edgar Street

  29. 29

    At the end of the road, turn right onto Agate Street

    129 m · 24 sec · Agate Street

  30. 30

    Turn left onto Collins Street

    26 m · 4 sec · Collins Street

  31. 31

    Arrive at your destination

    0 m · 1 sec · Collins Street

Car Route Details

A richer read on the saved driving route between Sleepy Hollow and Rock Springs.

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
31 steps
20 turns on the saved route
Ramps & Exits
6
2 merges, 4 ramps or exits
Navigation Density
8.8 / 100 mi
Decision points by distance
Main Roads
County Road 308
108 mi · 31%
Dwight D. Eisenhower Highway
104 mi · 29%
State Highway 59 South
32.8 mi · 9%
I 25 South
20.6 mi · 6%
Casper West Belt
7.28 mi · 2%
West Spruce Street
2.16 mi · 1%
Longest Stretch

Dwight D. Eisenhower Highway

Merge slight left onto Dwight D. Eisenhower Highway

104 mi · 01h 40m

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
06h 00m
Long day trip
Same-Day Return
12h 00m
Round-trip wheel time
Road vs Air
+87.3 mi
265 mi direct line
Halfway Stop
Bairoil
03h 00m from Sleepy Hollow
Leave By
5:00 AM MDT
Early departure recommended
Weather Watch

Mostly Sunny leaving Sleepy Hollow and Sunny near Rock Springs.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Sleepy Hollow to Rock Springs?

The road trip is about 352.3 miles (567 km) and usually takes 06h 00m 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?

Bairoil is a useful midpoint, sitting about 175.5 miles from Sleepy Hollow and 176.8 miles from Rock Springs.

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

The direct path is about 265 miles (426.4 km), while the road route adds roughly 87.3 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 8:00 AM MDT. If you want a more comfortable same-day return, try to leave by 5:00 AM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $55.69 one way or $111.37 round trip. Estimated CO2 is about 110.5 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Sleepy Hollow and Sunny near Rock Springs.

Flight Path Map

This map shows the direct air route between Sleepy Hollow and Rock Springs. Straight-line distance: 264.93 mi (426.36 km).

Photo coming soon

#1 Sleepy Hollow

Situated in the high plains of northeastern Wyoming at an elevation of 4,560 feet, this Campbell County census-designated place lies just south of the city of Gillette.

Population0
Coordinates44.2410900, -105.4222200
Altitude1390
CountryUnited States
Rock Springs

#2 Rock Springs

City in Sweetwater County, Wyoming, United States

Population22,943
Coordinates41.5874600, -109.2029000
Altitude1947
CountryUnited States
Start: (-105.425148, 44.239595)
End: Collins Street (-109.202964, 41.587676)

Estimated Travel Time

Distance: 567 km by road

SpeedTime
30 mph (48.3 km/h)11h 44m
40 mph (64.37 km/h)08h 48m
50 mph (80.47 km/h)07h 02m
60 mph (96.56 km/h)05h 52m
70 mph (112.65 km/h)05h 01m
80 mph (129 km/h)04h 23m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
12.43 gal
47.06 L · about $55.69
Round trip
$111.37
24.86 gal · 94.12 L
Estimated CO2
110.5 kg one way
Round trip: 220.9 kg / 487 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.48 $55.69 $111.37
Mid-grade $4.74 $58.94 $117.89
Premium $5.07 $63.02 $126.04
Diesel $6.21 $77.18 $154.36

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 · Oct 15, 2026

There is no time difference between Sleepy Hollow and Rock Springs. The current time is 12:44:51.

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.