How far is Watertown, OH from Dayton, OH?
The driving distance from Watertown, OH to Dayton, OH is about 171.1 miles (275.3 km), with a travel time of about 03h 05m by car.
- The straight-line flight distance is about 137.7 miles (221.6 km).
- For a round trip, plan for roughly 06h 10m 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 05m.
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.
City in Licking County, Ohio, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Watertown and Dayton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Watertown and Dayton.
-
1
Start on Lancaster Street
542 ft · 15 sec · Lancaster Street
-
2
Turn right
6.8 mi · 12 min
-
3
Turn left onto 5th Street
760 ft · 15 sec · 5th Street
-
4
Continue on Zanesville Street
14.8 mi · 22 min · Zanesville Street
-
5
Continue on East Main Street
2963 ft · 54 sec · East Main Street
-
6
Continue on West Main Street
1095 ft · 25 sec · West Main Street
-
7
Continue on West Riverside Drive
1776 ft · 32 sec · West Riverside Drive
-
8
Enter the roundabout and take exit 1 toward West Riverside Drive
35 m · 2 sec · West Riverside Drive
-
9
Exit the roundabout onto West Riverside Drive
2704 ft · 46 sec · West Riverside Drive
-
10
Continue on Main Street
17.8 mi · 26 min · Main Street
-
11
Continue on South River Road
6.2 mi · 9 min · South River Road
-
12
Continue on Wayne Avenue
1.4 mi · 3 min · Wayne Avenue
-
13
Continue on 9th Street
1333 ft · 32 sec · 9th Street
-
14
Turn left onto Main Street
1.1 km · 1 min · Main Street
-
15
Turn right onto Linden Avenue
1035 ft · 31 sec · Linden Avenue
-
16
Turn left onto Lee Street
2154 ft · 55 sec · Lee Street
-
17
Turn right onto State Street
1046 ft · 33 sec · State Street
-
18
Take the ramp left toward State Street
882 ft · 22 sec
-
19
Merge slight left
53.8 mi · 1 hr
-
20
Keep slight left to continue on South Innerbelt
1.5 km · 1 min · South Innerbelt
-
21
Continue on West Freeway
57.6 mi · 1 hr 3 min · West Freeway
-
22
Take the exit slight right toward SR 4, SR 235: Dayton, New Carlisle
1730 ft · 42 sec
-
23
Keep slight left to continue on SR 4, SR 235 South: Dayton
11.1 mi · 14 min
-
24
Take the exit slight right toward SR 48: Main Street, Grand Avenue
1108 ft · 29 sec
-
25
Turn left onto North Main Street
1.4 km · 2 min · North Main Street
-
26
Arrive at your destination
0 m · 1 sec · South Main Street
Car Route Details
A richer read on the saved driving route between Watertown and Dayton.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
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 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.
Chance Showers And Thunderstorms leaving Watertown and Chance Showers And Thunderstorms near Dayton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Watertown to Dayton?
The road trip is about 171.1 miles (275.3 km) and usually takes 03h 05m 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?
Pataskala is a useful midpoint, sitting about 87.6 miles from Watertown and 83.4 miles from Dayton.
How much longer is the road route than the straight-line distance?
The direct path is about 137.7 miles (221.6 km), while the road route adds roughly 33.4 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 6:00 AM to 8:00 AM EDT. If you want a more comfortable same-day return, try to leave by 10:50 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $22.38 one way or $44.76 round trip. Estimated CO2 is about 53.7 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around Watertown and Chance Showers And Thunderstorms near Dayton.
Stop Ideas Near Pataskala
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 Pataskala.
Columbus, OH
Flight Path Map
This map shows the direct air route between Watertown and Dayton. Straight-line distance: 137.67 mi (221.56 km).
#1 Watertown
Township in Washington County, Ohio
| Population | 1,521 |
| Coordinates | 39.4659100, -81.6331800 |
| Altitude | 216 |
| 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: 275 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 41m |
| 40 mph (64.37 km/h) | 04h 16m |
| 50 mph (80.47 km/h) | 03h 25m |
| 60 mph (96.56 km/h) | 02h 51m |
| 70 mph (112.65 km/h) | 02h 26m |
| 80 mph (129 km/h) | 02h 08m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.71 | $22.38 | $44.76 |
| Mid-grade | $4.24 | $25.62 | $51.24 |
| Premium | $4.79 | $28.93 | $57.86 |
| Diesel | $4.30 | $26.00 | $51.99 |
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.