How far is Radnor, OH from Cincinnati, OH?
The driving distance from Radnor, OH to Cincinnati, OH is about 141.7 miles (228 km), with a travel time of about 02h 21m by car.
- The straight-line flight distance is about 113.1 miles (182 km).
- For a round trip, plan for roughly 04h 42m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
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 02h 21m.
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.
Census-designated place in Clark County, Ohio
Route Weather Snapshot
Check the forecast at both ends before you head out.
Areas Of Frost then Sunny
Driving Route Map
The map below follows the saved road route between Radnor and Cincinnati.
Turn-by-Turn Driving Directions
Step-by-step road directions between Radnor and Cincinnati.
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1
Start on Radnor Road
2 m · 7 sec · Radnor Road
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2
Turn left onto State Route 203
4.7 mi · 7 min · State Route 203
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3
Turn sharp right onto State Route 37 West
11 m · 6 sec · State Route 37 West
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4
Turn left onto South Section Line Road
1.4 mi · 3 min · South Section Line Road
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5
Turn right onto Marysville Road
12.3 mi · 14 min · Marysville Road
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6
Take the exit slight right
3.3 mi · 4 min
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7
Take the exit slight right toward US 36 West, SR 4 South: Urbana, Springfield
564 ft · 14 sec
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8
Keep slight left to continue on US 36 West, SR 4 South: Urbana, Springfield
28.5 mi · 34 min
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9
Turn right onto State Route 334
3.7 mi · 4 min · State Route 334
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10
Turn left
2639 ft · 1 min
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11
Merge slight left onto US Route 68
4.3 mi · 5 min · US Route 68
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12
Take the exit slight right toward US 40 West, SR 4 West: Dayton
1024 ft · 30 sec
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13
Turn left onto Upper Valley Pike
154 m · 11 sec · Upper Valley Pike
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14
Turn right onto West Main Street
810 ft · 11 sec · West Main Street
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15
Continue on West National Road
928 ft · 12 sec · West National Road
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16
Keep slight left
11 mi · 12 min
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17
Take the exit slight right toward SR 4, SR 235: Dayton, New Carlisle
1730 ft · 42 sec
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18
Keep slight left to continue on SR 4, SR 235 South: Dayton
58.8 mi · 1 hr 11 min
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19
Take the exit slight right toward Mitchell Avenue, Saint Bernard
885 ft · 22 sec
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20
Keep slight left to continue on Saint Bernard, Xavier University, Veterans Affairs Medical Center, Zoo
76 m · 14 sec
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21
Turn left onto West Mitchell Avenue
1628 ft · 42 sec · West Mitchell Avenue
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22
Turn slight right
60 m · 9 sec
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23
Turn slight right onto Vine Street
1.9 mi · 4 min · Vine Street
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24
Continue on Jefferson Avenue
2638 ft · 1 min · Jefferson Avenue
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25
Turn slight right
103 m · 8 sec
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26
Turn slight right onto Calhoun Street
865 ft · 34 sec · Calhoun Street
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27
Turn left onto Ohio Avenue
104 m · 14 sec · Ohio Avenue
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28
Arrive at your destination
0 m · 1 sec · Ohio Avenue
Car Route Details
A richer read on the saved driving route between Radnor and Cincinnati.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
SR 4
Keep slight left to continue on SR 4, SR 235 South: Dayton
58.8 mi · 01h 11m
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.
Areas Of Frost leaving Radnor and Areas Of Frost then Sunny near Cincinnati.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Radnor to Cincinnati?
The road trip is about 141.7 miles (228 km) and usually takes 02h 21m 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?
Holiday Valley is a useful midpoint, sitting about 66.5 miles from Radnor and 75.2 miles from Cincinnati.
How much longer is the road route than the straight-line distance?
The direct path is about 113.1 miles (182 km), while the road route adds roughly 28.6 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 EDT. If you want a more comfortable same-day return, try to leave by 1:48 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $18.53 one way or $37.05 round trip. Estimated CO2 is about 44.4 kg one way.
What should you check before leaving?
Before you leave, expect Areas Of Frost around Radnor and Areas Of Frost then Sunny near Cincinnati.
Stop Ideas Near Holiday Valley
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Scene75 Entertainment Center | Dayton
Historic City Hall Bell
Springfield City Hall
Xenia City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Holiday Valley.
Columbus, OH
Cincinnati, OH
Cincinnati Museum Center at Union Terminal
Connersville station
Flight Path Map
This map shows the direct air route between Radnor and Cincinnati. Straight-line distance: 113.1 mi (182.01 km).
#1 Radnor
Township in Delaware County, Ohio
| Population | 1,904 |
| Coordinates | 40.3842300, -83.1507500 |
| Altitude | 285 |
| Country | United States |
#2 Cincinnati
The third most populous city in Ohio and the center of the Cincinnati metropolitan area.
| Population | 304,548 |
| Coordinates | 39.1271100, -84.5143900 |
| Altitude | 191 |
| Country | United States |
End: (-84.514416, 39.127158)
Estimated Travel Time
Distance: 228 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 43m |
| 40 mph (64.37 km/h) | 03h 32m |
| 50 mph (80.47 km/h) | 02h 50m |
| 60 mph (96.56 km/h) | 02h 21m |
| 70 mph (112.65 km/h) | 02h 01m |
| 80 mph (129 km/h) | 01h 46m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.71 | $18.53 | $37.05 |
| Mid-grade | $4.24 | $21.21 | $42.42 |
| Premium | $4.79 | $23.95 | $47.90 |
| Diesel | $4.30 | $21.52 | $43.04 |
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 Ohio · May 03, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.