How far is Dayton, OH from Prospect, OH?
The driving distance from Dayton, OH to Prospect, OH is about 80.3 miles (129.3 km), with a travel time of about 01h 42m by car.
- The straight-line flight distance is about 71.3 miles (114.8 km).
- For a round trip, plan for roughly 03h 24m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EST.
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 42m.
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.
Human settlement in Champaign County, Ohio, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
The map below follows the saved road route between Dayton and Prospect.
Turn-by-Turn Driving Directions
Step-by-step road directions between Dayton and Prospect.
-
1
Start on South Main Street
1.3 km · 2 min · South Main Street
-
2
Take the ramp right toward I 75 North, SR 4 North: Toledo, Springfield
43 m · 3 sec
-
3
Keep slight right to continue on SR 4 North: Springfield
1102 ft · 23 sec
-
4
Merge slight left
10.4 mi · 13 min
-
5
Take the exit slight right toward US 70 East, SR 4 North: Columbus
5.8 mi · 7 min
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6
Keep slight right
6.3 mi · 7 min
-
7
Take the exit straight toward US 68 North: Urbana
1320 ft · 32 sec
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8
Merge slight left
4.7 mi · 5 min
-
9
Take the exit slight right toward SR 334 East: River Road, Springfield
1297 ft · 32 sec
-
10
Keep slight right to continue on SR 334 East
610 ft · 15 sec
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11
Merge slight left onto State Route 334
3.4 mi · 4 min · State Route 334
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12
At the end of the road, turn left onto Mechanicsburg Road
5.2 mi · 6 min · Mechanicsburg Road
-
13
Continue on State Route 4
6.9 mi · 8 min · State Route 4
-
14
Continue on West Sandusky Street
5.9 mi · 8 min · West Sandusky Street
-
15
Turn slight left
9.6 mi · 11 min
-
16
Keep slight right
2.5 mi · 3 min
-
17
Take the exit slight right toward SR 4 North: Marion
1215 ft · 30 sec
-
18
Keep slight right to continue on SR 4 North: Marion
15.9 mi · 24 min
-
19
Turn right onto Prospect-Mt Vernon Road West
1.5 mi · 2 min · Prospect-Mt Vernon Road West
-
20
Continue on West Water Street
1464 ft · 40 sec · West Water Street
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21
Arrive at your destination
0 m · 1 sec · East Water Street
Car Route Details
A richer read on the saved driving route between Dayton and Prospect.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
SR 4 North
Keep slight right to continue on SR 4 North: Marion
15.9 mi · 00h 24m
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 Dayton and Sunny near Prospect.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Dayton to Prospect?
The road trip is about 80.3 miles (129.3 km) and usually takes 01h 42m 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?
Mutual is a useful midpoint, sitting about 40.1 miles from Dayton and 40.2 miles from Prospect.
How much longer is the road route than the straight-line distance?
The direct path is about 71.3 miles (114.8 km), while the road route adds roughly 9 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 3:06 PM EST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $10.84 one way or $21.69 round trip. Estimated CO2 is about 25.2 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Dayton and Sunny near Prospect.
Stop Ideas Near Mutual
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
London City Hall
Springfield City Hall
Town Hall Emporium
Historic City Hall Bell
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Mutual.
Columbus, OH
Flight Path Map
This map shows the direct air route between Dayton and Prospect. Straight-line distance: 71.36 mi (114.84 km).
#1 Dayton
The ninth most populous city in Ohio.
| Population | 139,907 |
| Coordinates | 39.7589500, -84.1916100 |
| Altitude | 225 |
| Country | United States |
#2 Prospect
Situated within Marion County in central Ohio, this village rests at an elevation of approximately 909 feet above sea level.
| Population | 0 |
| Coordinates | 40.4503400, -83.1885300 |
| Altitude | 277 |
| Country | United States |
End: Prospect (-83.18853, 40.45034)
Estimated Travel Time
Distance: 129 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 40m |
| 40 mph (64.37 km/h) | 02h 00m |
| 50 mph (80.47 km/h) | 01h 36m |
| 60 mph (96.56 km/h) | 01h 20m |
| 70 mph (112.65 km/h) | 01h 08m |
| 80 mph (129 km/h) | 01h 00m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.83 | $10.84 | $21.69 |
| Mid-grade | $4.41 | $12.49 | $24.98 |
| Premium | $4.95 | $14.02 | $28.03 |
| Diesel | $6.31 | $17.87 | $35.74 |
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 09, 2026