How far is Oklahoma City, OK from Duncan, OK?
The driving distance from Oklahoma City, OK to Duncan, OK is about 80.8 miles (130.1 km), with a travel time of about 01h 38m by car.
- The straight-line flight distance is about 71.2 miles (114.6 km).
- For a round trip, plan for roughly 03h 17m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
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.
This route works well as a day trip with time at the destination.
Flight Distance
Driving Distance
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 38m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
City in Oklahoma
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny then Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Oklahoma City and Duncan.
Turn-by-Turn Driving Directions
Step-by-step road directions between Oklahoma City and Duncan.
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1
Start on North Robinson Avenue
17 m · 31 sec · North Robinson Avenue
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2
Continue on North Robinson Avenue
144 m · 18 sec · North Robinson Avenue
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3
Continue on Ron Norick Boulevard
772 ft · 31 sec · Ron Norick Boulevard
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4
Turn right onto West Reno Avenue
3122 ft · 1 min · West Reno Avenue
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5
Turn slight right onto Oklahoma City Boulevard
1.9 mi · 3 min · Oklahoma City Boulevard
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6
Merge slight left onto Crosstown Expressway
1.1 km · 54 sec · Crosstown Expressway
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7
Continue on Korean War Veterans Memorial Highway
100 m · 5 sec · Korean War Veterans Memorial Highway
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8
Take the exit slight left toward I 44 West, OK 3 East: Lawton
1810 ft · 44 sec
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9
Merge slight right onto Will Rogers Expressway
4.4 mi · 5 min · Will Rogers Expressway
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10
Keep slight right to continue on Will Rogers Expressway
7.9 mi · 9 min · Will Rogers Expressway
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11
Continue on Harry E. Bailey Turnpike
26.6 mi · 25 min · Harry E. Bailey Turnpike
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12
Take the exit slight right toward US 81, US 277: Duncan, Chickasha
1658 ft · 49 sec
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13
Turn left onto US 81 South, US 277 South: Duncan
11.8 mi · 15 min
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14
Continue straight
22.9 mi · 30 min
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15
Continue straight
2867 ft · 52 sec
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16
Continue straight
627 ft · 11 sec
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17
Continue straight
2909 ft · 55 sec
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18
Continue straight
1659 ft · 28 sec
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19
Continue straight
1.5 km · 2 min
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20
Turn left onto West Main Street
3031 ft · 1 min · West Main Street
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21
Turn left onto North 9th Street
47 m · 7 sec · North 9th Street
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22
Arrive at your destination
0 m · 1 sec · North 9th Street
Car Route Details
A richer read on the saved driving route between Oklahoma City and Duncan.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Harry E. Bailey Turnpike
Continue on Harry E. Bailey Turnpike
26.6 mi · 00h 25m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Mostly Sunny leaving Oklahoma City and Mostly Sunny then Slight Chance Showers And Thunderstorms near Duncan.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Oklahoma City to Duncan?
The road trip is about 80.8 miles (130.1 km) and usually takes 01h 38m 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?
Chickasha is a useful midpoint, sitting about 40.5 miles from Oklahoma City and 40.4 miles from Duncan.
How much longer is the road route than the straight-line distance?
The direct path is about 71.2 miles (114.6 km), while the road route adds roughly 9.6 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 3:12 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $10.79 one way or $21.59 round trip. Estimated CO2 is about 25.3 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Oklahoma City and Mostly Sunny then Slight Chance Showers And Thunderstorms near Duncan.
Stop Ideas Near Chickasha
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Chickasha.
Norman
Purcell
Santa Fe Depot
Pauls Valley
Flight Path Map
This map shows the direct air route between Oklahoma City and Duncan. Straight-line distance: 71.22 mi (114.62 km).
#1 Oklahoma City
The twenty-seventh most populous city in the United States and the center of the Oklahoma City metropolitan area.
| Population | 655,057 |
| Coordinates | 35.4675600, -97.5164300 |
| Altitude | 366 |
| Country | United States |
#2 Duncan
City in Oklahoma
| Population | 22,259 |
| Coordinates | 34.5023000, -97.9578100 |
| Altitude | 342 |
| Country | United States |
End: Duncan (-97.95781, 34.5023)
Estimated Travel Time
Distance: 130 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 41m |
| 40 mph (64.37 km/h) | 02h 01m |
| 50 mph (80.47 km/h) | 01h 37m |
| 60 mph (96.56 km/h) | 01h 20m |
| 70 mph (112.65 km/h) | 01h 09m |
| 80 mph (129 km/h) | 01h 00m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $10.79 | $21.59 |
| Mid-grade | $4.26 | $12.14 | $24.28 |
| Premium | $4.63 | $13.18 | $26.36 |
| Diesel | $5.42 | $15.43 | $30.87 |
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 Oklahoma · May 04, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.