How far is Lima, OH from Dayton, OH?

The driving distance from Lima, OH to Dayton, OH is about 73.8 miles (118.8 km), with a travel time of about 01h 14m by car.

  • The straight-line flight distance is about 68.1 miles (109.6 km).
  • For a round trip, plan for roughly 02h 28m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EST.
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
73.82 mi
01h 14m
Flight
68.11 mi
109.62 km direct

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

Learn Distance

Choose another destination from Lima.

Flight Distance

Direct air line
68.11 mi
Kilometers
109.62 km
Flight Time
00h 08m

Driving Distance

Road route
73.82 mi
Kilometers
118.8 km
Drive Time
01h 14m

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 14m.

Arrival Snapshot
Arrive in Dayton
Sun, Nov 8, 10:59 AM EST
Return by in Lima
Sun, Nov 8, 12:13 PM EST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Lima
2026-11-08T09:45
Arrive Dayton
Sun, Nov 8, 10:59 AM EST
Route Timing
01h 14m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EST
Aim for a morning departure
Arrive between
9:14 AM to 11:14 AM EST

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

Leave by
4:02 PM EST
Keeps a same-day return open with about 03h 00m at the destination.
Back in Lima
9:30 PM EST
Morning start is best

This departure sits inside the recommended comfort window for the route.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Sidney
OH

City in Ohio, United States

From Lima
36.2 mi
00h 37m
To Dayton
37.6 mi
00h 37m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
57°F
Sunday

Sunny

Starts
Sun, Nov 8 6:00 AM EST
Wind
10 to 20 mph SW
Destination
59°F
Sunday

Areas Of Frost then Sunny

Starts
Sun, Nov 8 6:00 AM EST
Wind
5 to 15 mph SW

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Lima and Dayton.

  1. 1

    Start on West North Street

    567 ft · 12 sec · West North Street

  2. 2

    Turn right onto North Union Street

    1974 ft · 45 sec · North Union Street

  3. 3

    Turn left onto East Elm Street

    1154 ft · 22 sec · East Elm Street

  4. 4

    Turn right onto South Pine Street

    1.4 km · 2 min · South Pine Street

  5. 5

    Continue on St Johns Avenue

    3153 ft · 1 min · St Johns Avenue

  6. 6

    Continue on St Johns Road

    1.2 mi · 2 min · St Johns Road

  7. 7

    Take the ramp right toward I 75 South: Dayton

    1476 ft · 36 sec

  8. 8

    Merge slight left

    67.6 mi · 1 hr 14 min

  9. 9

    Merge slight left

    51 m · 2 sec

  10. 10

    Take the exit slight right toward SR 48: Main Street, Grand Avenue

    1108 ft · 29 sec

  11. 11

    Turn left onto North Main Street

    1.4 km · 2 min · North Main Street

  12. 12

    Arrive at your destination

    0 m · 1 sec · South Main Street

Car Route Details

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

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
4 turns on the saved route
Ramps & Exits
4
2 merges, 2 ramps or exits
Navigation Density
16.3 / 100 mi
Decision points by distance
Main Roads
I 75 South
67.9 mi · 92%
St Johns Road
1.23 mi · 2%
South Pine Street
0.88 mi · 1%
North Main Street
0.85 mi · 1%
St Johns Avenue
0.6 mi · 1%
North Union Street
0.37 mi · 1%
Longest Stretch

I 75 South

Merge slight left

67.6 mi · 01h 14m

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
01h 14m
Day trip friendly
Same-Day Return
02h 28m
Round-trip wheel time
Road vs Air
+5.7 mi
68.1 mi direct line
Halfway Stop
Sidney
00h 37m from Lima
Leave By
4:02 PM EST
Morning start is best
Weather Watch

Sunny leaving Lima and Areas Of Frost then Sunny near Dayton.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Lima to Dayton?

The road trip is about 73.8 miles (118.8 km) and usually takes 01h 14m 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?

Sidney is a useful midpoint, sitting about 36.2 miles from Lima and 37.6 miles from Dayton.

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

The direct path is about 68.1 miles (109.6 km), while the road route adds roughly 5.7 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 8:00 AM to 10:00 AM EST. If you want a more comfortable same-day return, try to leave by 4:02 PM EST.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $10.17 one way or $20.35 round trip. Estimated CO2 is about 23.1 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Lima and Areas Of Frost then Sunny near Dayton.

Stop Ideas Near Sidney

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

Mid-route Guidance
Local place coverage is thin around Sidney, 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 Sidney.

BUS

Columbus, OH

105 mi away
111 East Town Street
RAIL

Connersville station

109 mi away
1012 Eastern Avenue

Flight Path Map

This map shows the direct air route between Lima and Dayton. Straight-line distance: 68.11 mi (109.62 km).

Photo coming soon

#1 Lima

Situated in the northwestern region of Ohio, this municipality serves as the administrative seat of Allen County.

Population0
Coordinates40.7425500, -84.1052300
Altitude268
CountryUnited States
Dayton

#2 Dayton

The ninth most populous city in Ohio.

Population139,907
Coordinates39.7589500, -84.1916100
Altitude225
CountryUnited States
Start: West North Street (-84.105228, 40.742692)
End: South Main Street (-84.191655, 39.758942)

Estimated Travel Time

Distance: 119 km by road

SpeedTime
30 mph (48.3 km/h)02h 27m
40 mph (64.37 km/h)01h 50m
50 mph (80.47 km/h)01h 28m
60 mph (96.56 km/h)01h 13m
70 mph (112.65 km/h)01h 03m
80 mph (129 km/h)00h 55m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
2.6 gal
9.86 L · about $10.17
Round trip
$20.35
5.2 gal · 19.72 L
Estimated CO2
23.1 kg one way
Round trip: 46.2 kg / 102 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.91 $10.17 $20.35
Mid-grade $4.50 $11.69 $23.38
Premium $5.04 $13.11 $26.23
Diesel $6.36 $16.53 $33.06

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 · Nov 07, 2026

There is no time difference between Lima and Dayton. The current time is 09:45:00.

Distance to Other Cities

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