How far is Mason, OH from Indianapolis, IN?
The driving distance from Mason, OH to Indianapolis, IN is about 119 miles (191.5 km), with a travel time of about 02h 19m by car.
- The straight-line flight distance is about 102.4 miles (164.8 km).
- For a round trip, plan for roughly 04h 38m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
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 02h 19m.
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.
City in Indiana, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers
Scattered Rain Showers then Cloudy
Driving Route Map
The map below follows the saved road route between Mason and Indianapolis.
Turn-by-Turn Driving Directions
Step-by-step road directions between Mason and Indianapolis.
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1
Start on the route
24 m · 11 sec
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2
Turn left onto West Main Street
604 ft · 11 sec · West Main Street
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3
Continue on Reading Road
1.2 km · 1 min · Reading Road
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4
Turn right onto Tylersville Road
2.9 mi · 5 min · Tylersville Road
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5
Take the ramp left toward I 75 South: Cincinnati
1729 ft · 42 sec
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6
Merge slight left
5 mi · 6 min
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7
Take the exit right toward I 275: Indianapolis
1.5 km · 2 min
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8
Merge slight left onto Circle Freeway
17.4 mi · 20 min · Circle Freeway
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9
Keep slight left to continue on Northwest Expressway
84 mi · 1 hr 30 min · Northwest Expressway
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10
Continue on Southeastern Avenue
1.2 mi · 1 min
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11
Continue on Southeastern Avenue
3.6 mi · 6 min · Southeastern Avenue
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12
Enter the roundabout and take exit 2 toward Southeastern Avenue
32 m · 6 sec · Southeastern Avenue
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13
Exit the roundabout onto Southeastern Avenue
1.4 mi · 2 min · Southeastern Avenue
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14
Turn left onto East Washington Street
1 mi · 3 min · East Washington Street
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15
Turn right onto North Illinois Street
536 ft · 22 sec · North Illinois Street
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16
Turn right onto West Market Street
107 m · 16 sec · West Market Street
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17
At the end of the road, turn right
78 m · 28 sec
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18
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Mason and Indianapolis.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Northwest Expressway
Keep slight left to continue on Northwest Expressway
84 mi · 01h 30m
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.
Chance Rain Showers leaving Mason and Scattered Rain Showers then Cloudy near Indianapolis.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Mason to Indianapolis?
The road trip is about 119 miles (191.5 km) and usually takes 02h 19m 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?
Batesville is a useful midpoint, sitting about 59.4 miles from Mason and 59.6 miles from Indianapolis.
How much longer is the road route than the straight-line distance?
The direct path is about 102.4 miles (164.8 km), while the road route adds roughly 16.6 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 1:52 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $18.85 one way or $37.70 round trip. Estimated CO2 is about 37.3 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Mason and Scattered Rain Showers then Cloudy near Indianapolis.
Stop Ideas Near Batesville
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 Batesville.
Connersville station
Cincinnati Museum Center at Union Terminal
Cincinnati, OH
Indianapolis Union Station
Flight Path Map
This map shows the direct air route between Mason and Indianapolis. Straight-line distance: 102.4 mi (164.8 km).
#1 Mason
City in Warren County, Ohio, USA
| Population | 34,300 |
| Coordinates | 39.3600600, -84.3099400 |
| Altitude | 247 |
| Country | United States |
#2 Indianapolis
The sixteenth most populous city in the United States and the center of the Indianapolis metropolitan area.
| Population | 877,903 |
| Coordinates | 39.7683800, -86.1580400 |
| Altitude | 218 |
| Country | United States |
End: Indianapolis (-86.15804, 39.76838)
Estimated Travel Time
Distance: 191 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 57m |
| 40 mph (64.37 km/h) | 02h 58m |
| 50 mph (80.47 km/h) | 02h 22m |
| 60 mph (96.56 km/h) | 01h 58m |
| 70 mph (112.65 km/h) | 01h 41m |
| 80 mph (129 km/h) | 01h 29m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.49 | $18.85 | $37.70 |
| Mid-grade | $5.02 | $21.09 | $42.18 |
| Premium | $5.56 | $23.35 | $46.70 |
| Diesel | $6.82 | $28.63 | $57.26 |
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 · Sep 23, 2026