How far is Saint Marys, OH from Youngstown, OH?
The driving distance from Saint Marys, OH to Youngstown, OH is about 230.4 miles (370.8 km), with a travel time of about 03h 35m by car.
- The straight-line flight distance is about 199.3 miles (320.7 km).
- For a round trip, plan for roughly 07h 10m 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 35m.
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.
City in Ohio, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms then Showers And Thunderstorms
Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Saint Marys and Youngstown.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Marys and Youngstown.
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1
Start on South Front Street
32 m · 9 sec · South Front Street
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2
Turn right onto West Spring Street
1705 ft · 47 sec · West Spring Street
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3
Turn left onto North Spruce Street
1.1 km · 1 min · North Spruce Street
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4
Take the ramp slight right
1953 ft · 48 sec
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5
Merge slight left
11.1 mi · 12 min
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6
Take the exit slight right toward I 75 North: Toledo
1331 ft · 33 sec
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7
Merge slight left
24.5 mi · 26 min
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8
Take the exit slight right toward SR 696: Delphos, Upper Sandusky
1908 ft · 50 sec
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9
Turn right onto East Lincoln Highway
4.2 mi · 7 min · East Lincoln Highway
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10
Turn right onto County Road 15 / Hancock Road
2510 ft · 53 sec · County Road 15 / Hancock Road
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11
Turn left
36.7 mi · 40 min
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12
Take the exit slight right
46.4 mi · 52 min
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13
Take the exit slight right toward I 71 North: Cleveland
1.3 km · 2 min
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14
Merge slight left
31.9 mi · 34 min
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15
Take the exit slight right toward I 76, US 224: Lodi, Akron
1162 ft · 28 sec
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16
Keep slight right to continue on I 76, US 224 East: Akron
1.5 km · 1 min
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17
Merge slight left
17.2 mi · 20 min
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18
Keep slight right to continue on Kenmore Expressway
1.9 mi · 2 min · Kenmore Expressway
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19
Keep slight right to continue on I 76 East: Akron
1.2 mi · 2 min
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20
Keep slight left
39.2 mi · 44 min
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21
Continue straight
4 mi · 5 min
-
22
Keep slight right to continue on I 680: Youngstown
5.9 mi · 8 min
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23
Take the exit slight right
1304 ft · 39 sec
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24
Turn sharp left onto Market Street
3144 ft · 59 sec · Market Street
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25
Keep slight right to continue on Central Square
38 m · 2 sec · Central Square
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26
Arrive at your destination
0 m · 1 sec · Central Square
Car Route Details
A richer read on the saved driving route between Saint Marys and Youngstown.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
County Road 15 / Hancock Road
Take the exit slight right
46.4 mi · 00h 52m
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.
Chance Showers And Thunderstorms then Showers And Thunderstorms leaving Saint Marys and Showers And Thunderstorms near Youngstown.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Saint Marys to Youngstown?
The road trip is about 230.4 miles (370.8 km) and usually takes 03h 35m 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?
Ontario is a useful midpoint, sitting about 114.5 miles from Saint Marys and 115.9 miles from Youngstown.
How much longer is the road route than the straight-line distance?
The direct path is about 199.3 miles (320.7 km), while the road route adds roughly 31.1 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 9:50 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $30.12 one way or $60.24 round trip. Estimated CO2 is about 72.3 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms then Showers And Thunderstorms around Saint Marys and Showers And Thunderstorms near Youngstown.
Stop Ideas Near Ontario
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 Ontario.
Sandusky
Elyria
Columbus, OH
Cleveland Lakefront station
Flight Path Map
This map shows the direct air route between Saint Marys and Youngstown. Straight-line distance: 199.29 mi (320.72 km).
#1 Saint Marys
City in Ohio, United States
| Population | 8,113 |
| Coordinates | 40.5422700, -84.3894000 |
| Altitude | 264 |
| Country | United States |
#2 Youngstown
The most populous city in Mahoning County, Ohio.
| Population | 63,828 |
| Coordinates | 41.0997800, -80.6495200 |
| Altitude | 259 |
| Country | United States |
End: Central Square (-80.649441, 41.09972)
Estimated Travel Time
Distance: 371 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 40m |
| 40 mph (64.37 km/h) | 05h 45m |
| 50 mph (80.47 km/h) | 04h 36m |
| 60 mph (96.56 km/h) | 03h 50m |
| 70 mph (112.65 km/h) | 03h 17m |
| 80 mph (129 km/h) | 02h 52m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.71 | $30.12 | $60.24 |
| Mid-grade | $4.24 | $34.49 | $68.97 |
| Premium | $4.79 | $38.94 | $77.89 |
| Diesel | $4.30 | $34.99 | $69.98 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.