How far is Youngstown, OH from Radnor, OH?
The driving distance from Youngstown, OH to Radnor, OH is about 166.3 miles (267.6 km), with a travel time of about 03h 13m by car.
- The straight-line flight distance is about 139.9 miles (225.2 km).
- For a round trip, plan for roughly 06h 26m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
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.
This drive is better planned with a longer stop or an overnight stay.
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 03h 13m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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 Wayne County, Ohio, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Youngstown and Radnor.
Turn-by-Turn Driving Directions
Step-by-step road directions between Youngstown and Radnor.
-
1
Start on Central Square
38 m · 10 sec · Central Square
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2
Continue on Central Square
104 m · 14 sec · Central Square
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3
Turn straight onto Market Street
2581 ft · 51 sec · Market Street
-
4
Turn right onto West Woodland Avenue
70 m · 5 sec · West Woodland Avenue
-
5
Take the ramp slight right
696 ft · 17 sec
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6
Merge slight left onto South Shore Expressway
1.5 mi · 2 min · South Shore Expressway
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7
Continue on Wickliffe Expressway
4.6 mi · 6 min · Wickliffe Expressway
-
8
Merge slight right
4.6 mi · 5 min
-
9
Continue straight
39.2 mi · 44 min
-
10
Keep slight right to continue on Kenmore Expressway
19.8 mi · 24 min · Kenmore Expressway
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11
Take the exit slight right toward I 71 South: Columbus
1.2 mi · 3 min
-
12
Merge slight left
78 mi · 1 hr 24 min
-
13
Take the exit slight right toward US 36, SR 37: Sunbury, Delaware
1921 ft · 50 sec
-
14
Turn right onto State Route 37 East
5.8 mi · 8 min · State Route 37 East
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15
Continue on Sunbury Road
1.5 km · 1 min · Sunbury Road
-
16
Continue on East William Street
2.4 mi · 3 min · East William Street
-
17
Continue on Marysville Road
1 mi · 1 min · Marysville Road
-
18
Turn right onto Houk Road
2148 ft · 1 min · Houk Road
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19
Turn left onto West Central Avenue
2727 ft · 1 min · West Central Avenue
-
20
Continue on SR 37
3044 ft · 49 sec · SR 37
-
21
Continue on State Route 203
4.7 mi · 7 min · State Route 203
-
22
Turn right onto Radnor Road
2 m · 1 sec · Radnor Road
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23
Arrive at your destination
0 m · 1 sec · Radnor Road
Car Route Details
A richer read on the saved driving route between Youngstown and Radnor.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 71 South
Merge slight left
78 mi · 01h 24m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Sunny leaving Youngstown and Mostly Sunny near Radnor.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Youngstown to Radnor?
The road trip is about 166.3 miles (267.6 km) and usually takes 03h 13m 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?
West Salem is a useful midpoint, sitting about 83 miles from Youngstown and 83.3 miles from Radnor.
How much longer is the road route than the straight-line distance?
The direct path is about 139.9 miles (225.2 km), while the road route adds roughly 26.4 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 EDT. If you want a more comfortable same-day return, try to leave by 10:34 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $21.75 one way or $43.50 round trip. Estimated CO2 is about 52.2 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Youngstown and Mostly Sunny near Radnor.
Stop Ideas Near West Salem
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 West Salem.
Elyria
Cleveland Lakefront station
Sandusky
Alliance
Flight Path Map
This map shows the direct air route between Youngstown and Radnor. Straight-line distance: 139.95 mi (225.23 km).
#1 Youngstown
The most populous city in Mahoning County, Ohio.
| Population | 63,828 |
| Coordinates | 41.0997800, -80.6495200 |
| Altitude | 259 |
| Country | United States |
#2 Radnor
Township in Delaware County, Ohio
| Population | 1,904 |
| Coordinates | 40.3842300, -83.1507500 |
| Altitude | 285 |
| Country | United States |
End: Radnor (-83.15075, 40.38423)
Estimated Travel Time
Distance: 268 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 32m |
| 40 mph (64.37 km/h) | 04h 09m |
| 50 mph (80.47 km/h) | 03h 19m |
| 60 mph (96.56 km/h) | 02h 46m |
| 70 mph (112.65 km/h) | 02h 22m |
| 80 mph (129 km/h) | 02h 04m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.71 | $21.75 | $43.50 |
| Mid-grade | $4.24 | $24.90 | $49.80 |
| Premium | $4.79 | $28.12 | $56.23 |
| Diesel | $4.30 | $25.26 | $50.53 |
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 · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.