How far is Saint John, IN from Clarksville, IN?

The driving distance from Saint John, IN to Clarksville, IN is about 110.7 miles (178.2 km), with a travel time of about 02h 07m by car.

  • The straight-line flight distance is about 93 miles (149.7 km).
  • For a round trip, plan for roughly 04h 15m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
110.71 mi
02h 07m
Flight
93 mi
149.67 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Saint John.

Flight Distance

Direct air line
93 mi
Kilometers
149.67 km
Flight Time
00h 11m

Driving Distance

Road route
110.71 mi
Kilometers
178.17 km
Drive Time
02h 07m

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 07m.

Arrival Snapshot
Arrive in Clarksville
Wed, Apr 15, 3:07 PM EDT
Return by in Saint John
Wed, Apr 15, 4:15 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Saint John
2026-04-15T11:59
Arrive Clarksville
Wed, Apr 15, 2:07 PM CDT
Route Timing
02h 07m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CDT
Aim for a morning departure
Arrive between
11:08 AM to 1:08 PM EDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
2:14 PM CDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Saint John
9:30 PM CDT
Morning start is best

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.

Mid-route stop
Uniontown
IN

Town in Perry County, Alabama, United States

From Saint John
55.2 mi
01h 03m
To Clarksville
55.4 mi
01h 03m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
68°F
Overnight

Partly Cloudy

Starts
Wed, Apr 15 2:00 AM CDT
Wind
10 mph SSW
Destination
87°F
Wednesday

Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms

Starts
Wed, Apr 15 6:00 AM EDT
Wind
9 to 15 mph SW

Driving Route Map

The map below follows the saved road route between Saint John and Clarksville.

Turn-by-Turn Driving Directions

Step-by-step road directions between Saint John and Clarksville.

  1. 1

    Start on St John Road

    1.1 mi · 4 min · St John Road

  2. 2

    At the end of the road, turn left onto New Harmony Road

    1.4 mi · 3 min · New Harmony Road

  3. 3

    Continue on East Boonville New Harmony Road

    750 ft · 21 sec · East Boonville New Harmony Road

  4. 4

    Take the ramp right

    1524 ft · 37 sec

  5. 5

    Merge slight left

    5 mi · 5 min

  6. 6

    Take the exit slight right toward I 64 East: Louisville

    3069 ft · 58 sec

  7. 7

    Merge slight left

    91.7 mi · 1 hr 40 min

  8. 8

    Keep slight left to continue on I 265 East, SR 62 East

    6.4 mi · 8 min

  9. 9

    Take the exit slight right toward I 65 North, I 65 South: Indianapolis, Louisville

    1772 ft · 34 sec

  10. 10

    Keep slight right to continue on I 65 South: Louisville

    1591 ft · 30 sec

  11. 11

    Merge slight left

    2.8 mi · 3 min

  12. 12

    Take the exit slight right toward Eastern Boulevard

    1007 ft · 22 sec

  13. 13

    Turn straight

    1322 ft · 27 sec

  14. 14

    Turn right onto Eastern Boulevard

    991 ft · 35 sec · Eastern Boulevard

  15. 15

    Turn left onto East Brooks Avenue

    10 m · 1 sec · East Brooks Avenue

  16. 16

    Arrive at your destination

    0 m · 1 sec · East Brooks Avenue

Car Route Details

A richer read on the saved driving route between Saint John and Clarksville.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
16 steps
4 turns on the saved route
Ramps & Exits
7
3 merges, 4 ramps or exits
Navigation Density
14.5 / 100 mi
Decision points by distance
Main Roads
I 64 East
92.3 mi · 83%
I 265 East
6.42 mi · 6%
East Boonville New Harmony Road
5.44 mi · 5%
I 65 South
3.12 mi · 3%
New Harmony Road
1.39 mi · 1%
St John Road
1.07 mi · 1%
Longest Stretch

I 64 East

Merge slight left

91.7 mi · 01h 40m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
02h 07m
Day trip friendly
Same-Day Return
04h 16m
Round-trip wheel time
Road vs Air
+17.7 mi
93 mi direct line
Halfway Stop
Uniontown
01h 03m from Saint John
Leave By
2:14 PM CDT
Morning start is best
Weather Watch

Partly Cloudy leaving Saint John and Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms near Clarksville.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Saint John to Clarksville?

The road trip is about 110.7 miles (178.2 km) and usually takes 02h 07m 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?

Uniontown is a useful midpoint, sitting about 55.2 miles from Saint John and 55.4 miles from Clarksville.

How much longer is the road route than the straight-line distance?

The direct path is about 93 miles (149.7 km), while the road route adds roughly 17.7 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 CDT. If you want a more comfortable same-day return, try to leave by 2:14 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $14.74 one way or $29.49 round trip. Estimated CO2 is about 34.7 kg one way.

Do you cross a time zone on this route?

Yes. There is about a 1 hour time difference between Saint John and Clarksville, so arrival and return times should be read in local time.

What should you check before leaving?

Before you leave, expect Partly Cloudy around Saint John and Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms near Clarksville.

Stop Ideas Near Uniontown

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Uniontown, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Uniontown.

BUS

Louisville, Kentucky

78 mi away
720 West Muhammad Ali Blvd.
BUS

Evansville, IN

84 mi away
119 Northwest 6th Street
BUS

Madisonville, KY

119 mi away
4765 Hanson Road

Flight Path Map

This map shows the direct air route between Saint John and Clarksville. Straight-line distance: 93 mi (149.67 km).

Saint John

#1 Saint John

Town in Indiana, United States

Population19,616
Coordinates38.0792100, -87.4500100
Altitude131
CountryUnited States
Clarksville

#2 Clarksville

Town in Clark County, Indiana, United States

Population21,447
Coordinates38.2967400, -85.7599600
Altitude139
CountryUnited States
Start: Saint John (-87.45001, 38.07921)
End: Clarksville (-85.75996, 38.29674)

Estimated Travel Time

Distance: 178 km by road

SpeedTime
30 mph (48.3 km/h)03h 41m
40 mph (64.37 km/h)02h 46m
50 mph (80.47 km/h)02h 12m
60 mph (96.56 km/h)01h 50m
70 mph (112.65 km/h)01h 34m
80 mph (129 km/h)01h 22m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
3.91 gal
14.79 L · about $14.74
Round trip
$29.49
7.82 gal · 29.58 L
Estimated CO2
34.7 kg one way
Round trip: 69.5 kg / 153 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $14.74 $29.49
Mid-grade $4.25 $16.63 $33.26
Premium $4.65 $18.20 $36.39
Diesel $5.30 $20.74 $41.48

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 15, 2026

Please keep in mind that there is a 1 hour time gap between Saint John, IN and Clarksville, IN. The current time in Saint John is 11:59:39, although it is 12:59:39 in Clarksville.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.