Origin
Cody, WY
Afternoon in Cody on Sunday
Local time
4:49 PM
MDT
Current temp
34°F
Unavailable
Live forecast
Trip from Cody, WY to Casper, WY
Drive Time
4h 12m
Distance
217.4 mi
350 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$34
one way
EV Charging
Loading...
station data
Best Time to Leave
4 AM
4h 0m
★
6 AM
4h 13m
8 AM
4h 39m
10 AM
4h 22m
12 PM
4h 19m
3 PM
4h 23m
5 PM
4h 38m
8 PM
4h 5m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Cody, WY
Siarhei Nester
Casper, WY
Beyzaa Yurtkuran
Trip Overview
Connecting Cody to Casper covers 217.4 miles of Wyoming’s Mountain West landscape. You can expect to spend about 4 hours and 12 minutes on the road, making this a manageable one-day trip that doesn't necessarily require an overnight stop. Your journey primarily utilizes WY 120, West US Highway 20-26, and US 20 to navigate the terrain. Budgeting approximately $34 for fuel will cover your transit across the state. Whether you are traveling for business or moving between regions, this straightforward route offers a reliable path through the heart of Wyoming.
Trip Pace
Same-day drive is realistic
A same-day return is possible, but it will make for a full day on the road.
Break Rhythm
1 planned break
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
108.7 miles from Cody, WY
A natural place for your longest stop of the day , about 2h 4m into the drive .
Drive Character
This highway-focused drive keeps you on open roads for 81% of the journey. You will tackle a significant 81.5-mile stretch on WY 120, which serves as the longest uninterrupted portion of the trip. The transition between these routes provides a consistent experience behind the wheel, favoring steady highway speeds over technical maneuvering. Because the route is dominated by state and federal highways, you can expect a predictable flow throughout the 217.4-mile transit. It is a functional, efficient way to travel across the state without the complexity of winding local roads.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 16 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
WY 120 is the longest continuous segment at about 81.5 miles.
How Hard Is This Drive?
This is a straightforward highway drive that stays mostly on WY 120 and West US Highway 20-26. There are only a few real navigation decisions along the way. The trickiest moment comes around 0.1 miles in near Beck Avenue.
Route Complexity
3/10
Easy - simple navigation with a manageable amount of wheel time
This is a straightforward 4h 12m drive. You will face about 11 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
The main spots that need attention: at 0.1 miles (Beck Avenue): Navigation decision point; at 0.2 miles (US 14; US 16; US 20; WY 120 / 17th Street): Navigation decision point; at 2.2 miles (WY 120): Lane positioning matters here.
Critical Maneuvers
5 of 11 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
5
0.1 mi into trip
|
~0m in
|
Beck Avenue
Turn left onto Beck Avenue
Navigation decision point
4
0.2 mi into trip
|
~0m in
|
US 14; US 16; US 20; WY 120 / 17th Street
Turn right onto US 14; US 16; US 20; WY 120 / 17th Street
Navigation decision point
5
2.2 mi into trip
|
~4m in
|
WY 120
Turn right onto WY 120
Lane positioning matters here
Use the straight / right lanes.
5
84.3 mi into trip
|
~1h 35m in
|
US 20; WY 789 / Shoshoni Street
Turn right onto US 20; WY 789 / Shoshoni Street
Lane positioning matters here
Use the straight / right lanes.
5
215 mi into trip
|
~4h 6m in
|
US 20; US 26; US 87
Take the exit onto US 20; US 26; US 87 toward US 20 East, US 26 East, US 87 South: North Beverly Street, Bryan Stock Trail
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Toward US 20 East, US 26 East, US 87 South: Nor...
Main Roads
| Road | Distance | Duration |
|---|---|---|
| WY 120 | 81.5 mi | 1h 29m |
| West US Highway 20-26 | 60.7 mi | 1h 8m |
| US 20 | 34 mi | 40m |
| East 2nd Street | 33.1 mi | 37m |
| Greybull Highway | 1.4 mi | 1m |
| Bryan Stock Trail | 1.1 mi | 2m |
| East Sunlight Drive | 0.9 mi | 3m |
| Shoshoni Street | 0.7 mi | 1m |
Longest stretch:
WY 120
— 81.5 mi, about 1h 29m
Turn-by-Turn Driving Directions
Step-by-step road directions between Cody, WY and Casper, WY.
1
Start on US 14A; WY 120
504 ft
·
22 sec
·
16th Street
2
Turn left onto Beck Avenue
493 ft
·
17 sec
·
Beck Avenue
3
Turn right onto US 14; US 16; US 20; WY 120
0.7 mi
·
1 min
·
17th Street
4
Continue on US 14; US 16; US 20; WY 120
1.4 mi
·
1 min
·
Greybull Highway
5
Turn right onto WY 120
82 mi
·
1 hr 29 min
·
WY 120
Use the straight / right lanes.
6
Turn right onto South 8th Street
0.5 mi
·
2 min
·
South 8th Street
7
Turn right onto US 20; WY 789
0.7 mi
·
1 min
·
Shoshoni Street
Use the straight / right lanes.
8
Continue on US 20; WY 789
31 mi
·
36 min
·
US 20; WY 789
Use the straight / right lanes.
9
Turn left onto US 20; US 26
33 mi
·
37 min
·
East 2nd Street
10
Continue on US 20; US 26
61 mi
·
1 hr 8 min
·
West US Highway 20-26
11
Turn left onto US 20; US 26
2.7 mi
·
3 min
·
US 20; US 26
12
Take the exit
2.5 mi
·
3 min
13
Take the exit onto US 20; US 26; US 87
0.3 mi
·
41 sec
·
US 20; US 26; US 87
Toward US 20 East, US 26 East, US 87 South: North Beverly Street, Bryan Stock Trail
14
At end of road, turn left onto I 25 Business
1.1 mi
·
2 min
·
Bryan Stock Trail
15
Turn left onto East Sunlight Drive
0.9 mi
·
3 min
·
East Sunlight Drive
16
Arrive at destination
North Sunlight Drive
Trip Plan
Since the trip takes just over four hours, you have plenty of flexibility to depart when it best suits your schedule. Planning for at least one stop is recommended to break up the 217.4-mile drive and keep your focus sharp. Given the length of the longest stretch on WY 120, ensure your fuel tank is topped off before leaving Cody to avoid any unnecessary concerns during that 81.5-mile segment. Keeping your $34 fuel budget in mind helps with planning, but remember to account for potential variations in local gas prices. By pacing your travel with that single planned rest stop, you can comfortably arrive in Casper feeling refreshed.
Morning Departure
An early start around 7-8 AM gets you there with plenty of daylight left.
Evening Departure
A late afternoon start means arriving after dark. Morning is better.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 108.7 miles from Cody, WY, or about 2h 4m into the drive.
The longest continuous stretch on this route runs about 81.5 miles.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 80 miles or 1h 29m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 108.7 miles or 2h 4m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 3h 24m
Traffic, exits, and arrival timing usually matter more near Casper, WY than in the middle of the route.
Before You Leave
+
Open the route before leaving Cody, WY so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Cody, WY
This is one driving day of about 217.4 miles and 4h 12m.
Your first comfortable stop window is around 80 miles from Cody, WY.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on WY 120 for about 81.5 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 108.7 mi from Cody, WY · 2h 4m into the drive
Mid-route town
Meal stop
109 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
Pacing Suggestions
Fuel and coffee
A short stop after about 80 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 108.7 miles from Cody, WY, which is a good place for a longer meal and fuel stop.
Before the longest stretch
Fuel checkTop up before WY 120 if your tank is already low. That segment runs about 81.5 miles.
Arriving in Casper, WY
The final approach into Casper, WY usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Casper, WY.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Fuel & Cost
Regular Gas
$34.45 one way
$68.90 round trip
$4.03/gal
25.4 MPG avg
76 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.23 | $36.21 | $72.43 |
| premium | $4.53 | $38.76 | $77.53 |
| diesel | $5.64 | $48.30 | $96.60 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$34
Meals
$25–$50
Total
$59–$84
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 76.1 kg one way. Prices: EIA weekly data, 2026-04-06.
Driving Electric?
About $23 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 65.2 | 0 | $22.83 | $10.44 |
| Efficient EV | 54.4 | 0 | $19.02 | $8.70 |
| EV Truck/SUV | 87 | 1 | $30.44 | $13.91 |
Gas CO2
76 kg
EV CO2
25 kg (67% less)
Plan for 0 charging stops, roughly every 270 miles. Allow 25-40 minutes per stop at a DC fast charger.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Destination
Casper, WY
Afternoon in Casper on Sunday
Local time
4:49 PM
MDT
Current temp
39°F
Unavailable
Live forecast
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
5 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
4h 12m on the road
An early start around 7-8 AM gets you there with plenty of daylight left.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
Frequently Asked Questions
The drive from Cody, WY to Casper, WY covers 217.4 miles and takes about 4h 12m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are WY 120, West US Highway 20-26, US 20. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 108.7 miles from Cody, WY. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $34.45 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
An early start around 7-8 AM gets you there with plenty of daylight left. A late afternoon start means arriving after dark. Morning is better.
Plan about 1 meaningful break for fuel, food, or rest. Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
This is a straightforward 4h 12m drive. You will face about 11 decision points, but nothing that requires special attention if you follow navigation.
The main spots that need attention: at 0.1 miles (Beck Avenue): Navigation decision point; at 0.2 miles (US 14; US 16; US 20; WY 120 / 17th Street): Navigation decision point; at 2.2 miles (WY 120): Lane positioning matters here.
The route from Cody, WY to Casper, WY does not surface many named destination signs beyond the main corridor.
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