How far is Saint Marys, OH from Mansfield, OH?
The driving distance from Saint Marys, OH to Mansfield, OH is about 121.7 miles (195.8 km), with a travel time of about 01h 56m by car.
- The straight-line flight distance is about 99.4 miles (159.9 km).
- For a round trip, plan for roughly 03h 52m 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 01h 56m.
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 Ohio, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms Likely
Slight Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Saint Marys and Mansfield.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Marys and Mansfield.
-
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
-
3
Turn left onto North Spruce Street
1.1 km · 1 min · North Spruce Street
-
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
-
12
Take the exit slight right
39.8 mi · 43 min
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13
Take the exit slight right toward SR 39: Springmill Street, Shelby
1898 ft · 49 sec
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14
Turn right onto Springmill Street
1.5 km · 2 min · Springmill Street
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15
Turn slight right onto North Mulberry Street
2893 ft · 1 min · North Mulberry Street
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16
Turn left onto West 3rd Street
659 ft · 24 sec · West 3rd Street
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17
Turn right onto North Main Street
157 m · 12 sec · North Main Street
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18
Arrive at your destination
0 m · 1 sec · South Main Street
Car Route Details
A richer read on the saved driving route between Saint Marys and Mansfield.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
County Road 15 / Hancock Road
Take the exit slight right
39.8 mi · 00h 43m
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.
Showers And Thunderstorms Likely leaving Saint Marys and Slight Chance Rain Showers near Mansfield.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Saint Marys to Mansfield?
The road trip is about 121.7 miles (195.8 km) and usually takes 01h 56m 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?
Forest is a useful midpoint, sitting about 60.3 miles from Saint Marys and 61.4 miles from Mansfield.
How much longer is the road route than the straight-line distance?
The direct path is about 99.4 miles (159.9 km), while the road route adds roughly 22.3 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 2:38 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $16.43 one way or $32.86 round trip. Estimated CO2 is about 38.1 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms Likely around Saint Marys and Slight Chance Rain Showers near Mansfield.
Stop Ideas Near Forest
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 Forest.
Martin Luther King, Jr. Plaza
Sandusky
Columbus, OH
Bryan
Flight Path Map
This map shows the direct air route between Saint Marys and Mansfield. Straight-line distance: 99.36 mi (159.91 km).
#1 Saint Marys
City in Ohio, United States
| Population | 8,113 |
| Coordinates | 40.5422700, -84.3894000 |
| Altitude | 264 |
| Country | United States |
#2 Mansfield
The most populous city in Richland County, Ohio.
| Population | 46,125 |
| Coordinates | 40.7583900, -82.5154500 |
| Altitude | 379 |
| Country | United States |
End: South Main Street (-82.515477, 40.758391)
Estimated Travel Time
Distance: 196 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 03m |
| 40 mph (64.37 km/h) | 03h 02m |
| 50 mph (80.47 km/h) | 02h 25m |
| 60 mph (96.56 km/h) | 02h 01m |
| 70 mph (112.65 km/h) | 01h 44m |
| 80 mph (129 km/h) | 01h 31m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.83 | $16.43 | $32.86 |
| Mid-grade | $4.38 | $18.80 | $37.61 |
| Premium | $4.93 | $21.14 | $42.27 |
| Diesel | $6.07 | $26.03 | $52.06 |
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 · Oct 15, 2026