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

The driving distance from Saint Peters, MO to Aurora, MO is about 245.1 miles (394.5 km), with a travel time of about 04h 53m by car.

  • The straight-line flight distance is about 210.7 miles (339.1 km).
  • For a round trip, plan for roughly 09h 46m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
245.11 mi
04h 53m
Flight
210.68 mi
339.06 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Saint Peters.

Flight Distance

Direct air line
210.68 mi
Kilometers
339.06 km
Flight Time
00h 25m

Driving Distance

Road route
245.11 mi
Kilometers
394.46 km
Drive Time
04h 53m

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 53m.

Arrival Snapshot
Arrive in Aurora
Fri, Apr 17, 8:29 AM CDT
Return by in Saint Peters
Fri, Apr 17, 1:22 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Saint Peters
2026-04-17T03:36
Arrive Aurora
Fri, Apr 17, 8:29 AM CDT
Route Timing
04h 53m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
10:53 AM to 12:53 PM CDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
7:14 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Saint Peters
9:00 PM CDT
Early departure recommended

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
Saint Robert
MO

City in Pulaski County, Missouri, United States

From Saint Peters
122.5 mi
02h 26m
To Aurora
122.7 mi
02h 26m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
87°F
Friday

Mostly Sunny then Chance Showers And Thunderstorms

Starts
Fri, Apr 17 6:00 AM CDT
Wind
5 to 13 mph S
Destination
81°F
Friday

Slight Chance Showers And Thunderstorms

Starts
Fri, Apr 17 6:00 AM CDT
Wind
10 to 16 mph S

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  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

    3.7 mi · 5 min · Avenue of the Saints

  9. 9

    Take the exit slight right toward Chesterfield Airport Road

    2700 ft · 58 sec

  10. 10

    Continue on Chesterfield Airport Road

    110 m · 7 sec · Chesterfield Airport Road

  11. 11

    Turn right onto Olive Street Road

    64 m · 5 sec

  12. 12

    Turn right onto Olive Street Road

    1.5 km · 2 min · Olive Street Road

  13. 13

    Continue on North Eatherton Road

    2.4 mi · 5 min · North Eatherton Road

  14. 14

    Enter the roundabout and take exit 2 toward the route

    21 m · 1 sec

  15. 15

    Exit the roundabout

    4.3 mi · 7 min

  16. 16

    Enter the roundabout and take exit 2 toward the route

    29 m · 2 sec

  17. 17

    Exit the roundabout

    2098 ft · 45 sec

  18. 18

    Enter the roundabout and take exit 2 toward MO 100 West: Gray Summit

    23 m · 2 sec

  19. 19

    Exit the roundabout onto MO 100 West: Gray Summit

    1202 ft · 33 sec

  20. 20

    Merge slight left

    13.3 mi · 19 min

  21. 21

    Take the exit slight right toward I 44 West, US 50 West: St. Clair

    1157 ft · 14 sec

  22. 22

    Merge slight left

    182.8 mi · 3 hr 18 min

  23. 23

    Take the exit slight right toward MO MM, MO B

    1040 ft · 30 sec

  24. 24

    Turn left

    3.9 mi · 6 min

  25. 25

    Continue straight

    96 m · 11 sec

  26. 26

    Turn straight

    9 mi · 14 min

  27. 27

    Continue on Southwest Elm Street

    1.2 mi · 2 min · Southwest Elm Street

  28. 28

    Continue straight

    5.3 mi · 7 min

  29. 29

    Continue straight

    3.8 mi · 6 min

  30. 30

    Turn right onto East Church Street

    2 mi · 4 min · East Church Street

  31. 31

    Turn right onto South Elliott Avenue

    29 m · 2 sec · South Elliott Avenue

  32. 32

    Arrive at your destination

    0 m · 1 sec · South Elliott Avenue

Car Route Details

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

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
32 steps
14 turns on the saved route
Ramps & Exits
14
3 merges, 11 ramps or exits
Navigation Density
13.1 / 100 mi
Decision points by distance
Main Roads
I 44 West
183 mi · 75%
MO 100 West
13.6 mi · 6%
Southwest Elm Street
10.2 mi · 4%
East Terra Lane
7.38 mi · 3%
North Eatherton Road
7.1 mi · 3%
Avenue of the Saints
3.71 mi · 2%
Longest Stretch

I 44 West

Merge slight left

183 mi · 03h 18m

Route Summary

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

Trip Read

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.

Drive Time
04h 53m
Long day trip
Same-Day Return
09h 46m
Round-trip wheel time
Road vs Air
+34.4 mi
210.7 mi direct line
Halfway Stop
Saint Robert
02h 26m from Saint Peters
Leave By
7:14 AM CDT
Early departure recommended
Weather Watch

Mostly Sunny then Chance Showers And Thunderstorms leaving Saint Peters and Slight Chance Showers And Thunderstorms near Aurora.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 245.1 miles (394.5 km) and usually takes 04h 53m 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?

Saint Robert is a useful midpoint, sitting about 122.5 miles from Saint Peters and 122.7 miles from Aurora.

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

The direct path is about 210.7 miles (339.1 km), while the road route adds roughly 34.4 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 7:14 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $32.62 one way or $65.24 round trip. Estimated CO2 is about 76.9 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny then Chance Showers And Thunderstorms around Saint Peters and Slight Chance Showers And Thunderstorms near Aurora.

Stop Ideas Near Saint Robert

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

Mid-route Guidance
Local place coverage is thin around Saint Robert, 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 Saint Robert.

RAIL

Jefferson City

84 mi away
101 Jefferson Street
RAIL

Hermann

117 mi away
Wharf & Gutenberg Sts.

Flight Path Map

This map shows the direct air route between Saint Peters and Aurora. Straight-line distance: 210.68 mi (339.06 km).

Saint Peters

#1 Saint Peters

The most populous city in St.

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

#2 Aurora

City in Lawrence County, Missouri, United States

Population7,432
Coordinates36.9708900, -93.7179800
Altitude427
CountryUnited States
Start: Saint Peters (-90.62651, 38.80033)
End: Aurora (-93.71798, 36.97089)

Estimated Travel Time

Distance: 394 km by road

SpeedTime
30 mph (48.3 km/h)08h 10m
40 mph (64.37 km/h)06h 07m
50 mph (80.47 km/h)04h 54m
60 mph (96.56 km/h)04h 05m
70 mph (112.65 km/h)03h 30m
80 mph (129 km/h)03h 03m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
8.65 gal
32.74 L · about $32.62
Round trip
$65.24
17.3 gal · 65.48 L
Estimated CO2
76.9 kg one way
Round trip: 153.7 kg / 339 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $32.62 $65.24
Mid-grade $4.25 $36.79 $73.58
Premium $4.65 $40.26 $80.51
Diesel $5.30 $45.88 $91.76

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 17, 2026

There is no time difference between Saint Peters and Aurora. The current time is 03:36:20.

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.