How far is Radnor, OH from Columbus, OH?
The driving distance from Radnor, OH to Columbus, OH is about 34.9 miles (56.2 km), with a travel time of about 00h 45m by car.
- The straight-line flight distance is about 30.3 miles (48.8 km).
- For a round trip, plan for roughly 01h 31m 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 00h 45m.
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.
Village in Delaware County, Ohio, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Areas Of Frost then Mostly Sunny
Driving Route Map
The map below follows the saved road route between Radnor and Columbus.
Turn-by-Turn Driving Directions
Step-by-step road directions between Radnor and Columbus.
-
1
Start on Radnor Road
2 m · 7 sec · Radnor Road
-
2
Turn left onto State Route 203
4.7 mi · 6 min · State Route 203
-
3
Continue on SR 37
3044 ft · 47 sec · SR 37
-
4
Continue on West Central Avenue
2727 ft · 1 min · West Central Avenue
-
5
Turn right onto Houk Road
2148 ft · 1 min · Houk Road
-
6
Turn left onto Marysville Road
1 mi · 1 min · Marysville Road
-
7
Continue on West William Street
2.4 mi · 3 min · West William Street
-
8
Continue on Sunbury Road
1.5 km · 1 min · Sunbury Road
-
9
Continue on State Route 37 East
5.8 mi · 8 min · State Route 37 East
-
10
Take the exit right
1556 ft · 38 sec
-
11
Merge slight left
20.2 mi · 23 min
-
12
Take the exit slight right toward I 670 East, I 670 West: Airport, Dayton
1692 ft · 41 sec
-
13
Keep slight right to continue on I 670 West: Dayton
1491 ft · 36 sec
-
14
Merge slight left onto Northeast Freeway
1248 ft · 19 sec · Northeast Freeway
-
15
Keep slight left to continue on Northeast Freeway
3202 ft · 54 sec · Northeast Freeway
-
16
Turn straight onto North Third Street
1.1 km · 2 min · North Third Street
-
17
Turn right onto East State Street
32 m · 4 sec · East State Street
-
18
Turn right
27 m · 7 sec
-
19
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Radnor and Columbus.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
State Route 37 East
Merge slight left
20.2 mi · 00h 23m
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 Mostly Sunny near Columbus.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Radnor to Columbus?
The road trip is about 34.9 miles (56.2 km) and usually takes 00h 45m 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?
Galena is a useful midpoint, sitting about 19.4 miles from Radnor and 15.4 miles from Columbus.
How much longer is the road route than the straight-line distance?
The direct path is about 30.3 miles (48.8 km), while the road route adds roughly 4.6 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 4:58 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.56 one way or $9.11 round trip. Estimated CO2 is about 10.9 kg one way.
What should you check before leaving?
Before you leave, expect Areas Of Frost around Radnor and Areas Of Frost then Mostly Sunny near Columbus.
Stop Ideas Near Galena
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 Galena.
Columbus, OH
Flight Path Map
This map shows the direct air route between Radnor and Columbus. Straight-line distance: 30.31 mi (48.78 km).
#1 Radnor
Township in Delaware County, Ohio
| Population | 1,904 |
| Coordinates | 40.3842300, -83.1507500 |
| Altitude | 285 |
| Country | United States |
#2 Columbus
The fifteenth most populous city in the United States and the center of the Columbus metropolitan area.
| Population | 884,356 |
| Coordinates | 39.9611800, -82.9987900 |
| Altitude | 235 |
| Country | United States |
End: East State Street (-82.998626, 39.960416)
Estimated Travel Time
Distance: 56 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 09m |
| 40 mph (64.37 km/h) | 00h 52m |
| 50 mph (80.47 km/h) | 00h 41m |
| 60 mph (96.56 km/h) | 00h 34m |
| 70 mph (112.65 km/h) | 00h 29m |
| 80 mph (129 km/h) | 00h 26m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.71 | $4.56 | $9.11 |
| Mid-grade | $4.24 | $5.22 | $10.44 |
| Premium | $4.79 | $5.89 | $11.78 |
| Diesel | $4.30 | $5.29 | $10.59 |
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.