How far is Mansfield, OH from Portsmouth, OH?
The driving distance from Mansfield, OH to Portsmouth, OH is about 157.1 miles (252.8 km), with a travel time of about 03h 21m by car.
- The straight-line flight distance is about 142.4 miles (229.1 km).
- For a round trip, plan for roughly 06h 43m 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 21m.
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 Franklin County, Ohio, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Rain Showers
Rain Showers Likely
Driving Route Map
The map below follows the saved road route between Mansfield and Portsmouth.
Turn-by-Turn Driving Directions
Step-by-step road directions between Mansfield and Portsmouth.
-
1
Start on South Main Street
4.6 mi · 7 min · South Main Street
-
2
Take the exit slight right toward I 71 South: Columbus
1 km · 1 min
-
3
Merge slight left
61.2 mi · 1 hr 7 min
-
4
Keep slight right
5.1 mi · 6 min
-
5
Take the exit slight right toward I 270: Stringtown Road, Grove City
1678 ft · 41 sec
-
6
Keep slight left to continue on I 270 East: Stringtown Road, Grove City
1011 ft · 25 sec
-
7
Keep slight left to continue on I 270 East
1.3 km · 2 min
-
8
Merge slight left onto Jack Nicklaus Freeway
1.1 mi · 1 min · Jack Nicklaus Freeway
-
9
Take the exit slight right toward US 23 North, US 23 South: High Street, Circleville
1639 ft · 31 sec
-
10
Keep slight right to continue on US 23 South: Circleville
1087 ft · 27 sec
-
11
Keep slight right
901 ft · 22 sec
-
12
Merge slight left onto South High Street
2.8 mi · 4 min · South High Street
-
13
Continue on Portsmouth - Columbus Road
36.5 mi · 47 min · Portsmouth - Columbus Road
-
14
Keep slight right
42.6 mi · 1 hr 1 min
-
15
Keep slight left to continue on Chillicothe Street
3222 ft · 1 min · Chillicothe Street
-
16
Turn right onto 2nd Street
63 m · 9 sec · 2nd Street
-
17
Turn right
23 m · 11 sec
-
18
Turn left
22 m · 5 sec
-
19
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Mansfield and Portsmouth.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
I 71 South
Merge slight left
61.2 mi · 01h 07m
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.
Slight Chance Rain Showers leaving Mansfield and Rain Showers Likely near Portsmouth.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Mansfield to Portsmouth?
The road trip is about 157.1 miles (252.8 km) and usually takes 03h 21m 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?
Lockbourne is a useful midpoint, sitting about 78.6 miles from Mansfield and 78.5 miles from Portsmouth.
How much longer is the road route than the straight-line distance?
The direct path is about 142.4 miles (229.1 km), while the road route adds roughly 14.7 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 10:16 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $21.22 one way or $42.44 round trip. Estimated CO2 is about 49.2 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Rain Showers around Mansfield and Rain Showers Likely near Portsmouth.
Stop Ideas Near Lockbourne
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 Lockbourne.
Columbus, OH
Flight Path Map
This map shows the direct air route between Mansfield and Portsmouth. Straight-line distance: 142.35 mi (229.09 km).
#1 Mansfield
The most populous city in Richland County, Ohio.
| Population | 46,125 |
| Coordinates | 40.7583900, -82.5154500 |
| Altitude | 379 |
| Country | United States |
#2 Portsmouth
City in Ohio
| Population | 19,744 |
| Coordinates | 38.7317400, -82.9976700 |
| Altitude | 162 |
| Country | United States |
End: Portsmouth (-82.99767, 38.73174)
Estimated Travel Time
Distance: 253 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 14m |
| 40 mph (64.37 km/h) | 03h 55m |
| 50 mph (80.47 km/h) | 03h 08m |
| 60 mph (96.56 km/h) | 02h 37m |
| 70 mph (112.65 km/h) | 02h 14m |
| 80 mph (129 km/h) | 01h 57m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.83 | $21.22 | $42.44 |
| Mid-grade | $4.38 | $24.28 | $48.56 |
| Premium | $4.93 | $27.30 | $54.59 |
| Diesel | $6.07 | $33.62 | $67.23 |
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