How far is Riverton, WY from Sleepy Hollow, WY?

The driving distance from Riverton, WY to Sleepy Hollow, WY is about 244.3 miles (393.1 km), with a travel time of about 04h 39m by car.

  • The straight-line flight distance is about 170.1 miles (273.8 km).
  • For a round trip, plan for roughly 09h 18m 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
244.24 mi
04h 39m
Flight
170.1 mi
273.75 km direct

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

Learn Distance

Choose another destination from Riverton.

Flight Distance

Direct air line
170.1 mi
Kilometers
273.75 km
Flight Time
00h 20m

Driving Distance

Road route
244.24 mi
Kilometers
393.06 km
Drive Time
04h 39m

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 39m.

Arrival Snapshot
Arrive in Sleepy Hollow
Thu, Oct 15, 6:18 PM MDT
Return by in Riverton
Thu, Oct 15, 10:57 PM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Riverton
2026-10-15T13:39
Arrive Sleepy Hollow
Thu, Oct 15, 6:18 PM MDT
Route Timing
04h 39m
One way by road
Best Departure Window
6:00 AM to 8:00 AM MDT
Leave early for more breathing room
Arrive between
10:39 AM to 12:39 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
7:42 AM MDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Riverton
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
Bar Nunn
WY

Town of the United States

From Riverton
122 mi
02h 19m
To Sleepy Hollow
122.3 mi
02h 19m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
54°F
Today

Sunny

Starts
Thu, Oct 15 10:00 AM MDT
Wind
8 to 15 mph NNE
Destination
49°F
Thursday

Mostly Sunny

Starts
Thu, Oct 15 6:00 AM MDT
Wind
20 to 25 mph NW

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Riverton and Sleepy Hollow.

  1. 1

    Start on North Federal Boulevard

    39 mi · 44 min · North Federal Boulevard

  2. 2

    Continue straight

    76.9 mi · 1 hr 27 min

  3. 3

    Turn left

    3 mi · 4 min

  4. 4

    Turn left onto I 25 North, US 87 North: Midwest

    1989 ft · 51 sec

  5. 5

    Merge slight left

    20.1 mi · 19 min

  6. 6

    Take the exit slight right toward Horse Ranch Creek Road

    1962 ft · 50 sec

  7. 7

    Turn right onto Horseshoe Road

    17.9 mi · 20 min · Horseshoe Road

  8. 8

    Turn right

    51.3 mi · 59 min

  9. 9

    Turn left onto State Highway 59 South

    32.8 mi · 36 min · State Highway 59 South

  10. 10

    Turn right onto Union Chapel Road

    1.2 mi · 3 min · Union Chapel Road

  11. 11

    Turn left onto Mather Avenue

    1261 ft · 57 sec · Mather Avenue

  12. 12

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

    940 ft · 46 sec · Sleepy Hollow Boulevard

  13. 13

    Turn left onto Irving Boulevard

    978 ft · 45 sec · Irving Boulevard

  14. 14

    Turn right onto Tarry Street

    747 ft · 38 sec · Tarry Street

  15. 15

    Turn left onto Katrina Avenue

    1704 ft · 1 min · Katrina Avenue

  16. 16

    Turn right

    119 m · 17 sec

  17. 17

    Continue straight

    140 m · 21 sec

  18. 18

    Turn left

    84 m · 20 sec

  19. 19

    Arrive at your destination

    0 m · 1 sec

Car Route Details

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

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
19 steps
13 turns on the saved route
Ramps & Exits
2
1 merges, 1 ramps or exits
Navigation Density
7.8 / 100 mi
Decision points by distance
Main Roads
North Federal Boulevard
116 mi · 47%
State Highway 59 South
32.8 mi · 13%
I 25 North
20.5 mi · 8%
Horseshoe Road
17.9 mi · 7%
Union Chapel Road
1.23 mi · 1%
Katrina Avenue
0.41 mi
Longest Stretch

North Federal Boulevard

Continue straight

76.9 mi · 01h 27m

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 39m
Long day trip
Same-Day Return
09h 18m
Round-trip wheel time
Road vs Air
+74.2 mi
170.1 mi direct line
Halfway Stop
Bar Nunn
02h 19m from Riverton
Leave By
7:42 AM MDT
Early departure recommended
Weather Watch

Sunny leaving Riverton and Mostly Sunny near Sleepy Hollow.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Riverton to Sleepy Hollow?

The road trip is about 244.3 miles (393.1 km) and usually takes 04h 39m 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?

Bar Nunn is a useful midpoint, sitting about 122 miles from Riverton and 122.3 miles from Sleepy Hollow.

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

The direct path is about 170.1 miles (273.8 km), while the road route adds roughly 74.2 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 7:42 AM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $38.62 one way or $77.24 round trip. Estimated CO2 is about 76.6 kg one way.

What should you check before leaving?

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

Stop Ideas Near Bar Nunn

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

Mid-route Guidance
Local place coverage is thin around Bar Nunn, 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 Bar Nunn.

BUS

Casper, Wyoming

7 mi away
123 West E St.
BUS

Douglas, Wyoming

81 mi away
628 East Richards St.

Flight Path Map

This map shows the direct air route between Riverton and Sleepy Hollow. Straight-line distance: 170.1 mi (273.75 km).

Riverton

#1 Riverton

City in Freemont County, Wyoming

Population10,819
Coordinates43.0249600, -108.3801000
Altitude1509
CountryUnited States
Photo coming soon

#2 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
Start: Riverton (-108.3801, 43.02496)
End: Sleepy Hollow (-105.42222, 44.24109)

Estimated Travel Time

Distance: 393 km by road

SpeedTime
30 mph (48.3 km/h)08h 08m
40 mph (64.37 km/h)06h 06m
50 mph (80.47 km/h)04h 53m
60 mph (96.56 km/h)04h 04m
70 mph (112.65 km/h)03h 29m
80 mph (129 km/h)03h 02m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
8.62 gal
32.62 L · about $38.62
Round trip
$77.24
17.24 gal · 65.24 L
Estimated CO2
76.6 kg one way
Round trip: 153.2 kg / 338 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.48 $38.62 $77.24
Mid-grade $4.74 $40.88 $81.75
Premium $5.07 $43.70 $87.41
Diesel $6.21 $53.52 $107.04

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 Riverton and Sleepy Hollow. The current time is 13:39:26.

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.