How far is Saint Peters, MO from Hillsdale, MO?
The driving distance from Saint Peters, MO to Hillsdale, MO is about 25.1 miles (40.4 km), with a travel time of about 00h 33m by car.
- The straight-line flight distance is about 20.1 miles (32.4 km).
- For a round trip, plan for roughly 01h 07m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM CDT.
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.
This is an easy same-day return drive.
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 00h 33m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
A city in St.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Mostly Clear
Driving Route Map
The map below follows the saved road route between Saint Peters and Hillsdale.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Peters and Hillsdale.
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1
Start on the route
1.2 mi · 1 min
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2
Take the exit slight right toward MO 79: Elsberry, Louisiana
725 ft · 15 sec
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3
Keep slight left to continue on MO 79
117 m · 15 sec
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4
Turn left
652 ft · 11 sec
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5
Take the ramp slight right toward I 70 East
1294 ft · 19 sec
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6
Merge slight left
19.4 mi · 24 min
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7
Take the exit slight right toward MO N: Florissant Road, University Boulevard
2947 ft · 1 min
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8
Keep slight right to continue on MO N: University of Missouri–Saint Louis, Touhill Arts Center, Florissant Road, University Boulevard
131 m · 10 sec
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9
Turn straight onto University Boulevard
1300 ft · 24 sec · University Boulevard
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10
Continue on Florissant Road
1.6 km · 1 min · Florissant Road
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11
Enter the roundabout and take exit 2 toward Natural Bridge Road
55 m · 3 sec · Natural Bridge Road
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12
Exit the roundabout onto Natural Bridge Road
1.4 mi · 2 min · Natural Bridge Road
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13
Turn right onto Kienlen Avenue
2880 ft · 58 sec · Kienlen Avenue
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14
Turn right onto Saint Louis Avenue
664 ft · 18 sec · Saint Louis Avenue
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15
Arrive at your destination
0 m · 1 sec · Saint Louis Avenue
Car Route Details
A richer read on the saved driving route between Saint Peters and Hillsdale.
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.
I 70 East
Merge slight left
19.4 mi · 00h 24m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Sunny leaving Saint Peters and Mostly Clear near Hillsdale.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Saint Peters to Hillsdale?
The road trip is about 25.1 miles (40.4 km) and usually takes 00h 33m 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?
Saint Charles is a useful midpoint, sitting about 12.6 miles from Saint Peters and 12.6 miles from Hillsdale.
How much longer is the road route than the straight-line distance?
The direct path is about 20.1 miles (32.4 km), while the road route adds roughly 5 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 7:22 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.32 one way or $6.64 round trip. Estimated CO2 is about 7.8 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Saint Peters and Mostly Clear near Hillsdale.
Stop Ideas Near Saint Charles
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 Saint Charles.
Kirkwood
Gateway Transportation Center
Alton
Washington
Flight Path Map
This map shows the direct air route between Saint Peters and Hillsdale. Straight-line distance: 20.15 mi (32.43 km).
#1 Saint Peters
The most populous city in St.
| Population | 58,043 |
| Coordinates | 38.8003300, -90.6265100 |
| Altitude | 134 |
| Country | United States |
#2 Hillsdale
Human settlement in St.
| Population | 1,536 |
| Coordinates | 38.6833800, -90.2840000 |
| Altitude | 170 |
| Country | United States |
End: Hillsdale (-90.284, 38.68338)
Estimated Travel Time
Distance: 40 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 50m |
| 40 mph (64.37 km/h) | 00h 37m |
| 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.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $3.32 | $6.64 |
| Mid-grade | $4.25 | $3.74 | $7.49 |
| Premium | $4.65 | $4.10 | $8.19 |
| Diesel | $5.30 | $4.67 | $9.34 |
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 · May 07, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.