How far is Dayton, OH from Lima, OH?

The driving distance from Dayton, OH to Lima, OH is about 72.5 miles (116.6 km), with a travel time of about 01h 23m by car.

  • The straight-line flight distance is about 68.1 miles (109.6 km).
  • For a round trip, plan for roughly 02h 46m 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
72.43 mi
01h 23m
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 Dayton.

Flight Distance

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

Driving Distance

Road route
72.43 mi
Kilometers
116.57 km
Drive Time
01h 23m

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 23m.

Arrival Snapshot
Arrive in Lima
Sun, Nov 8, 1:00 PM EST
Return by in Dayton
Sun, Nov 8, 2:23 PM EST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Dayton
2026-11-08T11:37
Arrive Lima
Sun, Nov 8, 1:00 PM EST
Route Timing
01h 23m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EST
Aim for a morning departure
Arrive between
9:23 AM to 11:23 AM EST

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

Leave by
3:44 PM EST
Keeps a same-day return open with about 03h 00m at the destination.
Back in Dayton
9:30 PM EST
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
Sidney
OH

City in Ohio, United States

From Dayton
36.2 mi
00h 41m
To Lima
36.2 mi
00h 41m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
59°F
Sunday

Areas Of Frost then Sunny

Starts
Sun, Nov 8 6:00 AM EST
Wind
5 to 15 mph SW
Destination
57°F
Sunday

Sunny

Starts
Sun, Nov 8 6:00 AM EST
Wind
10 to 20 mph SW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on South Main Street

    1.3 km · 2 min · South Main Street

  2. 2

    Take the ramp right toward I 75 North, SR 4 North: Toledo, Springfield

    43 m · 3 sec

  3. 3

    Keep slight left to continue on I 75 North: Toledo

    1458 ft · 36 sec

  4. 4

    Merge slight left

    67.7 mi · 1 hr 14 min

  5. 5

    Take the exit slight right toward SR 65: Lima, Uniopolis

    957 ft · 30 sec

  6. 6

    Turn left onto St Johns Road

    1.3 mi · 2 min · St Johns Road

  7. 7

    Continue on St Johns Avenue

    3153 ft · 1 min · St Johns Avenue

  8. 8

    Turn slight right onto South Pine Street

    1.4 km · 2 min · South Pine Street

  9. 9

    Turn left onto East Elm Street

    881 ft · 17 sec · East Elm Street

  10. 10

    Turn right onto South Central Avenue

    1974 ft · 39 sec · South Central Avenue

  11. 11

    Turn left onto East North Street

    842 ft · 14 sec · East North Street

  12. 12

    Arrive at your destination

    0 m · 1 sec · West North Street

Car Route Details

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

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
5 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
16.6 / 100 mi
Decision points by distance
Main Roads
I 75 North
68 mi · 94%
St Johns Road
1.31 mi · 2%
South Pine Street
0.88 mi · 1%
South Main Street
0.78 mi · 1%
St Johns Avenue
0.6 mi · 1%
South Central Avenue
0.37 mi · 1%
Longest Stretch

I 75 North

Merge slight left

67.7 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 23m
Day trip friendly
Same-Day Return
02h 46m
Round-trip wheel time
Road vs Air
+4.4 mi
68.1 mi direct line
Halfway Stop
Sidney
00h 41m from Dayton
Leave By
3:44 PM EST
Morning start is best
Weather Watch

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

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 72.5 miles (116.6 km) and usually takes 01h 23m 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 Dayton and 36.2 miles from Lima.

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 4.4 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 3:44 PM EST.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $9.88 one way or $19.76 round trip. Estimated CO2 is about 22.8 kg one way.

What should you check before leaving?

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

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 Dayton and Lima. Straight-line distance: 68.11 mi (109.62 km).

Dayton

#1 Dayton

The ninth most populous city in Ohio.

Population139,907
Coordinates39.7589500, -84.1916100
Altitude225
CountryUnited States
Photo coming soon

#2 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
Start: Dayton (-84.19161, 39.75895)
End: Lima (-84.10523, 40.74255)

Estimated Travel Time

Distance: 117 km by road

SpeedTime
30 mph (48.3 km/h)02h 24m
40 mph (64.37 km/h)01h 48m
50 mph (80.47 km/h)01h 26m
60 mph (96.56 km/h)01h 12m
70 mph (112.65 km/h)01h 02m
80 mph (129 km/h)00h 54m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
2.56 gal
9.68 L · about $9.88
Round trip
$19.76
5.12 gal · 19.36 L
Estimated CO2
22.8 kg one way
Round trip: 45.5 kg / 100 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.86 $9.88 $19.76
Mid-grade $4.45 $11.38 $22.76
Premium $4.99 $12.78 $25.57
Diesel $6.33 $16.20 $32.39

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 08, 2026

There is no time difference between Dayton and Lima. The current time is 11:37:27.

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.