How far is Gary, IN from Rockville, IN?
The driving distance from Gary, IN to Rockville, IN is about 144.7 miles (232.9 km), with a travel time of about 03h 12m by car.
- The straight-line flight distance is about 126.6 miles (203.8 km).
- For a round trip, plan for roughly 06h 25m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
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 12m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Human settlement in Benton County, Indiana, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Rain Showers then Sunny
Driving Route Map
The map below follows the saved road route between Gary and Rockville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Gary and Rockville.
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1
Start on 10th Place
17 m · 4 sec · 10th Place
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2
Turn right onto Harrison Street
146 m · 28 sec · Harrison Street
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3
Turn left onto West 11th Avenue
1250 ft · 39 sec · West 11th Avenue
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4
Turn right onto Madison Street
1406 ft · 48 sec · Madison Street
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5
Turn left onto West 15th Avenue
1 mi · 2 min · West 15th Avenue
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6
Continue on Central Avenue
854 ft · 22 sec · Central Avenue
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7
Turn right onto Martin Luther King Drive
2.5 mi · 5 min · Martin Luther King Drive
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8
Turn left onto East Ridge Road
1276 ft · 35 sec · East Ridge Road
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9
Take the ramp slight right
1469 ft · 36 sec
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10
Merge slight left onto Casimir Pulaski Memorial Highway
37.2 mi · 41 min · Casimir Pulaski Memorial Highway
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11
Take the exit slight right toward SR 14: Winamac
2432 ft · 46 sec
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12
Turn right onto State Road 14
9.2 mi · 13 min · State Road 14
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13
Turn left
25.5 mi · 33 min
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14
Keep slight left
21.6 mi · 27 min
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15
Continue straight
1.2 mi · 2 min
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16
Turn left onto West 200 North
1884 ft · 33 sec · West 200 North
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17
Turn right
7.1 mi · 11 min
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18
Turn right onto South Council Street
37 mi · 55 min · South Council Street
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19
Turn left onto West Ohio Street
1987 ft · 34 sec · West Ohio Street
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20
Arrive at your destination
0 m · 1 sec · West Ohio Street
Car Route Details
A richer read on the saved driving route between Gary and Rockville.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Casimir Pulaski Memorial Highway
Merge slight left onto Casimir Pulaski Memorial Highway
37.2 mi · 00h 41m
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.
Mostly Sunny leaving Gary and Slight Chance Rain Showers then Sunny near Rockville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Gary to Rockville?
The road trip is about 144.7 miles (232.9 km) and usually takes 03h 12m 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?
Earl Park is a useful midpoint, sitting about 72.4 miles from Gary and 72.3 miles from Rockville.
How much longer is the road route than the straight-line distance?
The direct path is about 126.6 miles (203.8 km), while the road route adds roughly 18.1 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 CDT. If you want a more comfortable same-day return, try to leave by 10:34 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $19.27 one way or $38.54 round trip. Estimated CO2 is about 45.4 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Gary and Rockville, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Gary and Slight Chance Rain Showers then Sunny near Rockville.
Stop Ideas Near Earl Park
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 Earl Park.
Rensselaer
Gilman
Lafayette station
Kankakee
Flight Path Map
This map shows the direct air route between Gary and Rockville. Straight-line distance: 126.65 mi (203.82 km).
#1 Gary
The most populous city in Lake County, Indiana.
| Population | 74,693 |
| Coordinates | 41.5933700, -87.3464300 |
| Altitude | 183 |
| Country | United States |
#2 Rockville
Town in Adams Township, Parke County, Indiana, United States
| Population | 2,449 |
| Coordinates | 39.7625400, -87.2291800 |
| Altitude | 217 |
| Country | United States |
End: Rockville (-87.22918, 39.76254)
Estimated Travel Time
Distance: 233 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 49m |
| 40 mph (64.37 km/h) | 03h 37m |
| 50 mph (80.47 km/h) | 02h 53m |
| 60 mph (96.56 km/h) | 02h 24m |
| 70 mph (112.65 km/h) | 02h 04m |
| 80 mph (129 km/h) | 01h 48m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $19.27 | $38.54 |
| Mid-grade | $4.25 | $21.73 | $43.47 |
| Premium | $4.65 | $23.78 | $47.56 |
| Diesel | $5.30 | $27.10 | $54.21 |
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 Indiana · Apr 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.