How far is Saint Peters, MO from Ellisville, MO?

The driving distance from Saint Peters, MO to Ellisville, MO is about 25.4 miles (40.8 km), with a travel time of about 00h 39m by car.

  • The straight-line flight distance is about 14.5 miles (23.4 km).
  • For a round trip, plan for roughly 01h 18m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM CDT.
Trip Tools

Reverse, save, or send this route

This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
25.36 mi
00h 39m
Flight
14.52 mi
23.36 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Saint Peters.

Flight Distance

Direct air line
14.52 mi
Kilometers
23.36 km
Flight Time
00h 01m

Driving Distance

Road route
25.36 mi
Kilometers
40.82 km
Drive Time
00h 39m

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 00h 39m.

Arrival Snapshot
Arrive in Ellisville
Sun, Apr 19, 7:33 AM CDT
Return by in Saint Peters
Sun, Apr 19, 8:12 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Saint Peters
2026-04-19T06:54
Arrive Ellisville
Sun, Apr 19, 7:33 AM CDT
Route Timing
00h 39m
One way by road
Best Departure Window
7:00 AM to 7:00 PM CDT
Leave when it suits your day
Arrive between
7:39 AM to 7:39 PM CDT

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:12 PM CDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Saint Peters
10:00 PM CDT
Flexible departure

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
Weldon Spring Heights
MO

Village in the United States

From Saint Peters
12.7 mi
00h 19m
To Ellisville
12.7 mi
00h 19m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
63°F
Sunday

Sunny

Starts
Sun, Apr 19 6:00 AM CDT
Wind
10 mph W
Destination
65°F
Sunday

Sunny

Starts
Sun, Apr 19 6:00 AM CDT
Wind
5 to 9 mph W

Driving Route Map

The map below follows the saved road route between Saint Peters and Ellisville.

Turn-by-Turn Driving Directions

Step-by-step road directions between Saint Peters and Ellisville.

  1. 1

    Start on the route

    3 mi · 4 min

  2. 2

    Take the exit slight right toward MO K: O'Fallon, Main Street

    119 m · 8 sec

  3. 3

    Turn straight onto East Terra Lane

    1.4 km · 2 min · East Terra Lane

  4. 4

    Turn slight left

    19 m · 2 sec

  5. 5

    Continue straight

    3.1 mi · 6 min

  6. 6

    Continue straight

    3.4 mi · 5 min

  7. 7

    Take the ramp slight right toward I 64 East, US 40 East, US 61 South

    1523 ft · 22 sec

  8. 8

    Merge slight left onto Avenue of the Saints

    9.4 mi · 12 min · Avenue of the Saints

  9. 9

    Take the exit slight right toward MO 340: Olive Boulevard, Clarkson Road

    2173 ft · 58 sec

  10. 10

    Turn slight right onto MO 340

    56 m · 7 sec

  11. 11

    Turn straight onto Clarkson Road

    4.5 mi · 8 min · Clarkson Road

  12. 12

    Turn right onto Manchester Road

    817 ft · 46 sec · Manchester Road

  13. 13

    Turn uturn onto Manchester Road

    130 m · 9 sec · Manchester Road

  14. 14

    Arrive at your destination

    0 m · 1 sec · Manchester Road

Car Route Details

A richer read on the saved driving route between Saint Peters and Ellisville.

OSRM road route
Drive Character

Turn-heavy local drive

The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.

Directions
14 steps
6 turns on the saved route
Ramps & Exits
4
1 merges, 3 ramps or exits
Navigation Density
55.1 / 100 mi
Decision points by distance
Main Roads
Avenue of the Saints
9.4 mi · 37%
East Terra Lane
7.38 mi · 29%
Clarkson Road
4.51 mi · 18%
MO 340
0.45 mi · 2%
I 64 East
0.29 mi · 1%
Manchester Road
0.24 mi · 1%
Longest Stretch

Avenue of the Saints

Merge slight left onto Avenue of the Saints

9.4 mi · 00h 12m

Route Summary

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

Trip Read

A short regional drive

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

Drive Time
00h 39m
Quick drive
Same-Day Return
01h 18m
Round-trip wheel time
Road vs Air
+10.9 mi
14.5 mi direct line
Halfway Stop
Weldon Spring Heights
00h 19m from Saint Peters
Leave By
7:12 PM CDT
Flexible departure
Weather Watch

Sunny leaving Saint Peters and Sunny near Ellisville.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Saint Peters to Ellisville?

The road trip is about 25.4 miles (40.8 km) and usually takes 00h 39m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

What is the halfway point on this route?

Weldon Spring Heights is a useful midpoint, sitting about 12.7 miles from Saint Peters and 12.7 miles from Ellisville.

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

The direct path is about 14.5 miles (23.4 km), while the road route adds roughly 10.9 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 7:00 AM to 7:00 PM CDT. If you want a more comfortable same-day return, try to leave by 7:12 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $3.39 one way or $6.79 round trip. Estimated CO2 is about 8 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Saint Peters and Sunny near Ellisville.

Stop Ideas Near Weldon Spring Heights

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

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Weldon Spring Heights and the surrounding midpoint area.
City Hall Park
Scenic stop 6.4 mi away

City Hall Park

Dardenne Prairie , MO
Dardenne Prairie, MO 63368
Rating 4.8/5 294 reviews Tourist attraction,Park
City of O'Fallon
Meeting point 7.6 mi away

City of O'Fallon

O'Fallon , MO
100 N Main St, O'Fallon, MO 63366
Rating 3.3/5 22 reviews City Hall,Water utility company

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Weldon Spring Heights.

RAIL

Kirkwood

28 mi away
110 West Argonne Dr.
RAIL

Washington

32 mi away
301 West Front St.
RAIL

Gateway Transportation Center

43 mi away
551 South 16th St.
RAIL

Alton

53 mi away
3400 College Ave.

Flight Path Map

This map shows the direct air route between Saint Peters and Ellisville. Straight-line distance: 14.52 mi (23.36 km).

Saint Peters

#1 Saint Peters

The most populous city in St.

Population58,043
Coordinates38.8003300, -90.6265100
Altitude134
CountryUnited States
Ellisville

#2 Ellisville

City in Mississippi, United States

Population9,848
Coordinates38.5925500, -90.5870700
Altitude221
CountryUnited States
Start: Saint Peters (-90.62651, 38.80033)
End: Ellisville (-90.58707, 38.59255)

Estimated Travel Time

Distance: 41 km by road

SpeedTime
30 mph (48.3 km/h)00h 50m
40 mph (64.37 km/h)00h 38m
50 mph (80.47 km/h)00h 30m
60 mph (96.56 km/h)00h 25m
70 mph (112.65 km/h)00h 21m
80 mph (129 km/h)00h 18m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.9 gal
3.39 L · about $3.39
Round trip
$6.79
1.8 gal · 6.78 L
Estimated CO2
8 kg one way
Round trip: 16 kg / 35 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $3.39 $6.79
Mid-grade $4.25 $3.83 $7.66
Premium $4.65 $4.19 $8.38
Diesel $5.30 $4.77 $9.55

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 Missouri · Apr 19, 2026

There is no time difference between Saint Peters and Ellisville. The current time is 06:54:17.

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.