How far is Ardmore, OK from Duncan, OK?
The driving distance from Ardmore, OK to Duncan, OK is about 74.3 miles (119.6 km), with a travel time of about 01h 24m by car.
- The straight-line flight distance is about 51.7 miles (83.2 km).
- For a round trip, plan for roughly 02h 49m 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 24m.
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.
Human settlement in Carter County, Oklahoma, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Ardmore and Duncan.
Turn-by-Turn Driving Directions
Step-by-step road directions between Ardmore and Duncan.
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1
Start on the route
16 m · 4 sec
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2
Turn right onto West Broadway Street
18 m · 1 sec · West Broadway Street
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3
Continue on West Broadway Street
1.2 mi · 3 min · West Broadway Street
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4
Take the ramp slight right toward I 35: Oklahoma City
2058 ft · 51 sec
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5
Merge slight left onto World War I Veterans Memorial Highway
23.5 mi · 23 min · World War I Veterans Memorial Highway
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6
Take the exit slight right toward OK 7: Davis, Duncan, Sulphur
1472 ft · 33 sec
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7
Turn left
5.8 mi · 7 min
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8
Continue straight
27 mi · 31 min
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9
Continue straight
2.5 mi · 3 min
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10
Continue straight
6 mi · 7 min
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11
Continue straight
7 mi · 8 min
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12
Turn right onto South 9th Street
1.1 km · 2 min · South 9th Street
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13
Arrive at your destination
0 m · 1 sec · North 9th Street
Car Route Details
A richer read on the saved driving route between Ardmore and Duncan.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
OK 7
Continue straight
27 mi · 00h 31m
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.
Sunny leaving Ardmore and Sunny near Duncan.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Ardmore to Duncan?
The road trip is about 74.3 miles (119.6 km) and usually takes 01h 24m 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?
Tatums is a useful midpoint, sitting about 37.2 miles from Ardmore and 37.2 miles from Duncan.
How much longer is the road route than the straight-line distance?
The direct path is about 51.7 miles (83.2 km), while the road route adds roughly 22.6 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 3:40 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $9.92 one way or $19.84 round trip. Estimated CO2 is about 23.3 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Ardmore and Sunny near Duncan.
Stop Ideas Near Tatums
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 Tatums.
Pauls Valley
Ardmore station
Purcell
Norman
Flight Path Map
This map shows the direct air route between Ardmore and Duncan. Straight-line distance: 51.69 mi (83.18 km).
#1 Ardmore
County seat of Carter County, Oklahoma, United States
| Population | 24,769 |
| Coordinates | 34.1742600, -97.1436300 |
| Altitude | 266 |
| 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: 120 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 28m |
| 40 mph (64.37 km/h) | 01h 51m |
| 50 mph (80.47 km/h) | 01h 29m |
| 60 mph (96.56 km/h) | 01h 14m |
| 70 mph (112.65 km/h) | 01h 03m |
| 80 mph (129 km/h) | 00h 55m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $9.92 | $19.84 |
| Mid-grade | $4.26 | $11.16 | $22.32 |
| Premium | $4.63 | $12.12 | $24.24 |
| Diesel | $5.42 | $14.19 | $28.37 |
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 · Apr 16, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.