How far is Dyer, IN from Saint John, IN?
The driving distance from Dyer, IN to Saint John, IN is about 256.8 miles (413.2 km), with a travel time of about 04h 35m by car.
- The straight-line flight distance is about 236 miles (379.8 km).
- For a round trip, plan for roughly 09h 11m 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 04h 35m.
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.
Unincorporated town in Vermillion County, Indiana, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms
Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Dyer and Saint John.
Turn-by-Turn Driving Directions
Step-by-step road directions between Dyer and Saint John.
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1
Start on Hart Street
71 m · 34 sec · Hart Street
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2
Continue on Hart Street
81 m · 9 sec · Hart Street
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3
Turn left onto Joliet Street
2.5 mi · 5 min · Joliet Street
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4
Continue on West Lincoln Highway
656 ft · 20 sec · West Lincoln Highway
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5
Turn right onto Wicker Avenue
58.8 mi · 1 hr 18 min · Wicker Avenue
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6
Keep slight left
21.6 mi · 27 min
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7
Continue straight
63.4 mi · 1 hr 21 min
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8
Continue straight
57.7 mi · 1 hr 17 min
-
9
Take the exit slight right
1162 ft · 28 sec
-
10
Merge slight left
1.5 km · 1 min
-
11
Keep slight right
38.5 mi · 45 min
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12
Take the exit slight right toward I 64 East
1397 ft · 48 sec
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13
Merge slight left
4.1 mi · 4 min
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14
Take the exit slight right toward I 69 South, SR 57 South: Evansville, Henderson, Kentucky
2424 ft · 46 sec
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15
Merge slight left
5 mi · 5 min
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16
Take the exit slight right toward Boonville-New Harmony Road
1764 ft · 43 sec
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17
Turn left onto East Boonville New Harmony Road
1532 ft · 42 sec · East Boonville New Harmony Road
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18
Continue on New Harmony Road
1.4 mi · 3 min · New Harmony Road
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19
Turn right onto St John Road
1.1 mi · 4 min · St John Road
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20
Arrive at your destination
0 m · 1 sec · St John Road
Car Route Details
A richer read on the saved driving route between Dyer and Saint John.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Wicker Avenue
Continue straight
63.4 mi · 01h 21m
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.
Showers And Thunderstorms leaving Dyer and Slight 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 Dyer to Saint John?
The road trip is about 256.8 miles (413.2 km) and usually takes 04h 35m 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?
Highland is a useful midpoint, sitting about 128.4 miles from Dyer and 128.4 miles from Saint John.
How much longer is the road route than the straight-line distance?
The direct path is about 236 miles (379.8 km), while the road route adds roughly 20.8 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 7:48 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $34.99 one way or $69.98 round trip. Estimated CO2 is about 80.5 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around Dyer and Slight Chance Showers And Thunderstorms near Saint John.
Stop Ideas Near Highland
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 Highland.
Danville, Illinois
Crawfordsville
Crawfordsville (Bus), Indiana
Illinois Terminal
Flight Path Map
This map shows the direct air route between Dyer and Saint John. Straight-line distance: 235.98 mi (379.78 km).
#1 Dyer
Town in Indiana
| Population | 15,955 |
| Coordinates | 41.4942000, -87.5217100 |
| Altitude | 195 |
| 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: 413 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 33m |
| 40 mph (64.37 km/h) | 06h 25m |
| 50 mph (80.47 km/h) | 05h 08m |
| 60 mph (96.56 km/h) | 04h 16m |
| 70 mph (112.65 km/h) | 03h 40m |
| 80 mph (129 km/h) | 03h 12m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.86 | $34.99 | $69.98 |
| Mid-grade | $4.46 | $40.36 | $80.72 |
| Premium | $4.99 | $45.19 | $90.38 |
| Diesel | $6.62 | $59.99 | $119.97 |
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 · Oct 15, 2026