How far is Greencastle, IN from Saint John, IN?
The driving distance from Greencastle, IN to Saint John, IN is about 131.8 miles (212.1 km), with a travel time of about 02h 21m by car.
- The straight-line flight distance is about 112.7 miles (181.3 km).
- For a round trip, plan for roughly 04h 43m 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 21m.
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.
Town in Indiana, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Slight Chance Rain Showers then Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Greencastle and Saint John.
Turn-by-Turn Driving Directions
Step-by-step road directions between Greencastle and Saint John.
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1
Start on North Indiana Street
50 m · 14 sec · North Indiana Street
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2
Turn left onto East Washington Street
1505 ft · 28 sec · East Washington Street
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3
Turn right onto South Bloomington Street
2.4 mi · 4 min · South Bloomington Street
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4
Continue on US Highway 231
5.3 mi · 8 min · US Highway 231
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5
Continue on North Main Street
2.8 mi · 5 min · North Main Street
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6
Continue on S Main St
1681 ft · 29 sec · S Main St
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7
Continue on US Highway 231
8.3 mi · 11 min · US Highway 231
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8
Continue on US Highway 231
7.5 mi · 11 min · US Highway 231
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9
Continue on Fletcher Avenue
1442 ft · 41 sec · Fletcher Avenue
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10
Turn right onto East Morgan Street
1.4 km · 2 min · East Morgan Street
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11
Continue on US Highway 231
8 mi · 11 min · US Highway 231
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12
Continue on Main Street
1986 ft · 48 sec · Main Street
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13
Continue on US Highway 231
8.9 mi · 13 min · US Highway 231
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14
Continue on North Commercial Street
3.4 mi · 5 min · North Commercial Street
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15
Turn slight left
16.4 mi · 24 min
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16
Turn left onto Ellen Street
1299 ft · 26 sec · Ellen Street
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17
Continue on County Road 425 E
1.8 mi · 3 min · County Road 425 E
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18
Turn left
1.5 km · 2 min
-
19
Take the ramp right
1491 ft · 36 sec
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20
Merge slight left
60.1 mi · 1 hr 4 min
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21
Take the exit slight right toward Boonville-New Harmony Road
1764 ft · 43 sec
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22
Turn left onto East Boonville New Harmony Road
1532 ft · 42 sec · East Boonville New Harmony Road
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23
Continue on New Harmony Road
1.4 mi · 3 min · New Harmony Road
-
24
Turn right onto St John Road
1.1 mi · 4 min · St John Road
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25
Arrive at your destination
0 m · 1 sec · St John Road
Car Route Details
A richer read on the saved driving route between Greencastle and Saint John.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
County Road 425 E
Merge slight left
60.1 mi · 01h 04m
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.
Partly Sunny leaving Greencastle and Slight Chance Rain Showers then Chance Showers And Thunderstorms near Saint John.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Greencastle to Saint John?
The road trip is about 131.8 miles (212.1 km) and usually takes 02h 21m 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?
Elnora is a useful midpoint, sitting about 65.8 miles from Greencastle and 66 miles from Saint John.
How much longer is the road route than the straight-line distance?
The direct path is about 112.7 miles (181.3 km), while the road route adds roughly 19.1 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 1:46 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $17.54 one way or $35.07 round trip. Estimated CO2 is about 41.3 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Greencastle and Saint John, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Partly Sunny around Greencastle and Slight Chance Rain Showers then Chance Showers And Thunderstorms near Saint John.
Stop Ideas Near Elnora
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 Elnora.
Evansville, IN
Flight Path Map
This map shows the direct air route between Greencastle and Saint John. Straight-line distance: 112.64 mi (181.28 km).
#1 Greencastle
City in Indiana
| Population | 10,338 |
| Coordinates | 39.6444900, -86.8647300 |
| Altitude | 257 |
| Country | United States |
#2 Saint John
Town in Indiana, United States
| Population | 19,616 |
| Coordinates | 38.0792100, -87.4500100 |
| Altitude | 131 |
| Country | United States |
End: St John Road (-87.44975, 38.079207)
Estimated Travel Time
Distance: 212 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 23m |
| 40 mph (64.37 km/h) | 03h 17m |
| 50 mph (80.47 km/h) | 02h 38m |
| 60 mph (96.56 km/h) | 02h 11m |
| 70 mph (112.65 km/h) | 01h 52m |
| 80 mph (129 km/h) | 01h 38m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $17.54 | $35.07 |
| Mid-grade | $4.25 | $19.78 | $39.55 |
| Premium | $4.65 | $21.64 | $43.28 |
| Diesel | $5.30 | $24.66 | $49.33 |
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 · May 26, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.