How far is Millersport, OH from Dayton, OH?
Fastest route
The distance between Millersport, Ohio 43046, and Dayton, Ohio is approximately 101 miles (162.5 kilometers). The fastest route is via I-70 W, which may take around 1 hour and 31 minutes. Here are some tips and directions to guide you on your journey:
Directions
- Head west on Terrace St toward Lancaster St/Millersport Rd NE.
- Turn right onto Lancaster St/Millersport Rd NE and continue to follow Millersport Rd NE.
- Turn right at the 1st cross street onto OH-37 W.
- Merge onto I-70 W toward Columbus.
- Keep right at the fork to stay on I-70 W, following signs for Dayton.
- Take exit 41 for OH-235 S/OH-4 S toward Dayton.
- Continue onto OH-235 S/OH-4 S/S Dayton-Lakeview Rd/I-70ALT and follow OH-235 S/OH-4 S.
- Continue straight onto OH-4 S/Valley Pike.
- Use the left 2 lanes to take the I-75 S/OH-48 exit toward OH-4 S/Cincinnati.
- Keep right, following signs for OH-48/Main St/Grand Ave.
- Continue on OH-48 S/N Main St to your destination.
- Turn left onto OH-48 S/N Main St.
- Turn right onto W Monument Ave.
- Use any lane to turn left onto N Ludlow St.
- Turn left onto E 3rd St/W Third St and continue to follow E 3rd St.
Tips & Suggestions
- 🚗 Plan your trip in advance, considering traffic conditions to choose the fastest route.
- ⛽ Make sure your vehicle is fueled up before starting the journey.
- 🚦 Stay updated with the latest traffic information to avoid delays.
- 📱 Use navigation apps to find the best routes and real-time updates.
- 🍴 Pack some snacks and drinks for the road to stay refreshed during the drive.
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 40m.
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.
Sunny
Driving Route Map
The map below follows the saved road route between Millersport and Dayton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Millersport and Dayton.
-
1
Start on the route
9 m · 4 sec
-
2
Turn right
32 m · 13 sec
-
3
Turn left onto Terrace Street
55 m · 10 sec · Terrace Street
-
4
Turn right onto Lancaster Street
2465 ft · 1 min · Lancaster Street
-
5
Continue on Millersport Road Northeast
1.4 mi · 4 min · Millersport Road Northeast
-
6
At the end of the road, turn left onto Walnut Road Southeast
3179 ft · 1 min · Walnut Road Southeast
-
7
Turn right onto Lancaster Road Southwest
1.2 mi · 1 min · Lancaster Road Southwest
-
8
Take the exit left toward I 70 West: Columbus
1619 ft · 40 sec
-
9
Merge slight left
25.8 mi · 29 min
-
10
Keep slight left to continue on South Innerbelt
1.5 km · 1 min · South Innerbelt
-
11
Continue on West Freeway
57.6 mi · 1 hr 3 min · West Freeway
-
12
Take the exit slight right toward SR 4, SR 235: Dayton, New Carlisle
1730 ft · 42 sec
-
13
Keep slight left to continue on SR 4, SR 235 South: Dayton
11.1 mi · 14 min
-
14
Take the exit slight right toward SR 48: Main Street, Grand Avenue
1108 ft · 29 sec
-
15
Turn left onto North Main Street
1.4 km · 2 min · North Main Street
-
16
Arrive at your destination
0 m · 1 sec · South Main Street
Car Route Details
A richer read on the saved driving route between Millersport and Dayton.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
West Freeway
Continue on West Freeway
57.6 mi · 01h 03m
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.
Sunny leaving Millersport and Sunny near Dayton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Millersport to Dayton?
The road trip is about 100.8 miles (162.2 km) and usually takes 01h 40m 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?
Lafayette is a useful midpoint, sitting about 50.3 miles from Millersport and 50.5 miles from Dayton.
How much longer is the road route than the straight-line distance?
The direct path is about 88.5 miles (142.4 km), while the road route adds roughly 12.3 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 3:08 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $13.19 one way or $26.38 round trip. Estimated CO2 is about 31.6 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Millersport and Sunny near Dayton.
Stop Ideas Near Lafayette
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
London City Hall
Old Hilliard
SOUTH VIENNA MUNICIPAL BLDG
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Lafayette.
Columbus, OH
Flight Path Map
This map shows the direct air route between Millersport and Dayton. Straight-line distance: 88.49 mi (142.41 km).
#1 Millersport
Human settlement in Fairfield County, Ohio, United States of America
| Population | 1,081 |
| Coordinates | 39.9000600, -82.5340500 |
| Altitude | 274 |
| Country | United States |
#2 Dayton
The ninth most populous city in Ohio.
| Population | 139,907 |
| Coordinates | 39.7589500, -84.1916100 |
| Altitude | 225 |
| Country | United States |
End: South Main Street (-84.191655, 39.758942)
Estimated Travel Time
Distance: 162 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 21m |
| 40 mph (64.37 km/h) | 02h 31m |
| 50 mph (80.47 km/h) | 02h 00m |
| 60 mph (96.56 km/h) | 01h 40m |
| 70 mph (112.65 km/h) | 01h 26m |
| 80 mph (129 km/h) | 01h 15m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.71 | $13.19 | $26.38 |
| Mid-grade | $4.24 | $15.10 | $30.20 |
| Premium | $4.79 | $17.05 | $34.10 |
| Diesel | $4.30 | $15.32 | $30.64 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.