How far is Dayton, OH from West Portsmouth, OH?

The driving distance from Dayton, OH to West Portsmouth, OH is about 122.8 miles (197.7 km), with a travel time of about 02h 32m by car.

  • The straight-line flight distance is about 93 miles (149.7 km).
  • For a round trip, plan for roughly 05h 05m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
122.83 mi
02h 32m
Flight
92.99 mi
149.65 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Dayton.

Flight Distance

Direct air line
92.99 mi
Kilometers
149.65 km
Flight Time
00h 11m

Driving Distance

Road route
122.83 mi
Kilometers
197.68 km
Drive Time
02h 32m

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 02h 32m.

Arrival Snapshot
Arrive in West Portsmouth
Thu, Apr 23, 8:11 AM EDT
Return by in Dayton
Thu, Apr 23, 10:43 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Dayton
2026-04-23T05:38
Arrive West Portsmouth
Thu, Apr 23, 8:11 AM EDT
Route Timing
02h 32m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
10:33 AM to 12:33 PM EDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
1:24 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Dayton
9:30 PM EDT
Morning start is best

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.

Mid-route stop
Frankfort
OH

City in Ross County, Ohio, United States of America

From Dayton
61.4 mi
01h 16m
To West Portsmouth
61.5 mi
01h 16m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
82°F
Thursday

Sunny

Starts
Thu, Apr 23 6:00 AM EDT
Wind
3 to 10 mph SW
Destination
81°F
Thursday

Sunny

Starts
Thu, Apr 23 6:00 AM EDT
Wind
2 to 6 mph SW

Driving Route Map

The map below follows the saved road route between Dayton and West Portsmouth.

Turn-by-Turn Driving Directions

Step-by-step road directions between Dayton and West Portsmouth.

  1. 1

    Start on South Main Street

    92 m · 12 sec · South Main Street

  2. 2

    Turn right onto West 4th Street

    156 m · 18 sec · West 4th Street

  3. 3

    Turn left onto South Ludlow Street

    2095 ft · 41 sec · South Ludlow Street

  4. 4

    Take the ramp straight toward US 35 East: Xenia

    2382 ft · 58 sec

  5. 5

    Merge slight left

    33.9 mi · 42 min

  6. 6

    Keep slight left to continue on US 35 East: Washington Court House

    44.7 mi · 49 min

  7. 7

    Keep slight right

    32.3 mi · 44 min

  8. 8

    Turn right

    1.3 mi · 2 min

  9. 9

    Turn left

    9.3 mi · 13 min

  10. 10

    Turn right onto Calvert's Lane

    1850 ft · 54 sec · Calvert's Lane

  11. 11

    Turn right onto 6th Street

    55 m · 8 sec · 6th Street

  12. 12

    Arrive at your destination

    0 m · 1 sec · 6th Street

Car Route Details

A richer read on the saved driving route between Dayton and West Portsmouth.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
12 steps
6 turns on the saved route
Ramps & Exits
2
1 merges, 1 ramps or exits
Navigation Density
9.8 / 100 mi
Decision points by distance
Main Roads
US 35 East
111 mi · 91%
South Ludlow Street
0.4 mi
Calvert's Lane
0.35 mi
West 4th Street
0.1 mi
South Main Street
0.06 mi
6th Street
0.03 mi
Longest Stretch

US 35 East

Keep slight left to continue on US 35 East: Washington Court House

44.7 mi · 00h 49m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
02h 32m
Day trip friendly
Same-Day Return
05h 06m
Round-trip wheel time
Road vs Air
+29.8 mi
93 mi direct line
Halfway Stop
Frankfort
01h 16m from Dayton
Leave By
1:24 PM EDT
Morning start is best
Weather Watch

Sunny leaving Dayton and Sunny near West Portsmouth.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Dayton to West Portsmouth?

The road trip is about 122.8 miles (197.7 km) and usually takes 02h 32m 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?

Frankfort is a useful midpoint, sitting about 61.4 miles from Dayton and 61.5 miles from West Portsmouth.

How much longer is the road route than the straight-line distance?

The direct path is about 93 miles (149.7 km), while the road route adds roughly 29.8 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 1:24 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $16.08 one way or $32.16 round trip. Estimated CO2 is about 38.6 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Dayton and Sunny near West Portsmouth.

Stop Ideas Near Frankfort

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Frankfort, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Frankfort.

BUS

Columbus, OH

64 mi away
111 East Town Street
RAIL

South Portsmouth–South Shore station

78 mi away
Main St & US 23
RAIL

Maysville

98 mi away
West Front St & Rosemary Clooney St
RAIL

Ashland Transportation Center

113 mi away
99 15th Street

Flight Path Map

This map shows the direct air route between Dayton and West Portsmouth. Straight-line distance: 92.99 mi (149.65 km).

Dayton

#1 Dayton

The ninth most populous city in Ohio.

Population139,907
Coordinates39.7589500, -84.1916100
Altitude225
CountryUnited States
West Portsmouth

#2 West Portsmouth

Census-designated place in Scioto County, Ohio

Population3,149
Coordinates38.7584100, -83.0290600
Altitude188
CountryUnited States
Start: Dayton (-84.19161, 39.75895)
End: West Portsmouth (-83.02906, 38.75841)

Estimated Travel Time

Distance: 198 km by road

SpeedTime
30 mph (48.3 km/h)04h 05m
40 mph (64.37 km/h)03h 04m
50 mph (80.47 km/h)02h 27m
60 mph (96.56 km/h)02h 02m
70 mph (112.65 km/h)01h 45m
80 mph (129 km/h)01h 31m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
4.34 gal
16.41 L · about $16.08
Round trip
$32.16
8.68 gal · 32.82 L
Estimated CO2
38.6 kg one way
Round trip: 77.1 kg / 170 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.71 $16.08 $32.16
Mid-grade $4.24 $18.41 $36.82
Premium $4.79 $20.79 $41.58
Diesel $4.30 $18.68 $37.36

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

There is no time difference between Dayton and West Portsmouth. The current time is 05:38:09.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.