How far is Hillsboro, MO from St. Louis, MO?
The driving distance from Hillsboro, MO to St. Louis, MO is about 38.4 miles (61.8 km), with a travel time of about 00h 44m by car.
- The straight-line flight distance is about 33.7 miles (54.2 km).
- For a round trip, plan for roughly 01h 29m 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 44m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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.
City in Missouri
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Scattered Rain Showers
Driving Route Map
The map below follows the saved road route between Hillsboro and St. Louis.
Turn-by-Turn Driving Directions
Step-by-step road directions between Hillsboro and St. Louis.
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1
Start on Old State Highway 21
1.3 mi · 3 min · Old State Highway 21
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2
Turn left
53 m · 3 sec
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3
Take the ramp slight right toward MO 21 North: Saint Louis
1797 ft · 24 sec
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4
Merge slight left onto Veterans Memorial Highway
17.1 mi · 20 min · Veterans Memorial Highway
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5
Take the exit slight right toward MO 141: Arnold, Fenton
1358 ft · 24 sec
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6
Turn right
3.2 mi · 5 min
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7
Take the exit slight left toward I 55 North
1360 ft · 35 sec
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8
Merge slight left onto Police Officer Steven Jarvis Memorial Highway
1.4 km · 1 min · Police Officer Steven Jarvis Memorial Highway
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9
Continue on Officer Thomas G. Smith, Jr. Memorial Highway
1.9 mi · 2 min · Officer Thomas G. Smith, Jr. Memorial Highway
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10
Continue on Rosa Parks Highway
12.5 mi · 16 min · Rosa Parks Highway
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11
Take the exit slight right toward MO 30 East: Gravois Avenue
1001 ft · 24 sec
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12
Turn slight right onto Gravois Avenue
1044 ft · 27 sec · Gravois Avenue
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13
Continue on South Tucker Boulevard
1.3 mi · 3 min · South Tucker Boulevard
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14
Turn right onto Market Street
26 m · 2 sec · Market Street
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15
Arrive at your destination
0 m · 1 sec · Market Street
Car Route Details
A richer read on the saved driving route between Hillsboro and St. Louis.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Veterans Memorial Highway
Merge slight left onto Veterans Memorial Highway
17.1 mi · 00h 20m
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.
Chance Showers And Thunderstorms leaving Hillsboro and Scattered Rain Showers near St. Louis.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Hillsboro to St. Louis?
The road trip is about 38.4 miles (61.8 km) and usually takes 00h 44m 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?
Arnold is a useful midpoint, sitting about 19.7 miles from Hillsboro and 18.7 miles from St. Louis.
How much longer is the road route than the straight-line distance?
The direct path is about 33.7 miles (54.2 km), while the road route adds roughly 4.7 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 7:00 AM to 7:00 PM CDT. If you want a more comfortable same-day return, try to leave by 7:00 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.13 one way or $10.26 round trip. Estimated CO2 is about 12.1 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around Hillsboro and Scattered Rain Showers near St. Louis.
Stop Ideas Near Arnold
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 Arnold.
Kirkwood
Gateway Transportation Center
Alton
Washington
Flight Path Map
This map shows the direct air route between Hillsboro and St. Louis. Straight-line distance: 33.69 mi (54.22 km).
#1 Hillsboro
City in Missouri, United States
| Population | 3,355 |
| Coordinates | 38.2322800, -90.5629000 |
| Altitude | 242 |
| Country | United States |
#2 St. Louis
The second most populous city in Missouri and the center of the St.
| Population | 315,685 |
| Coordinates | 38.6272700, -90.1978900 |
| Altitude | 142 |
| Country | United States |
End: Market Street (-90.197859, 38.627348)
Estimated Travel Time
Distance: 62 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 16m |
| 40 mph (64.37 km/h) | 00h 57m |
| 50 mph (80.47 km/h) | 00h 46m |
| 60 mph (96.56 km/h) | 00h 38m |
| 70 mph (112.65 km/h) | 00h 32m |
| 80 mph (129 km/h) | 00h 28m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $5.13 | $10.26 |
| Mid-grade | $4.25 | $5.78 | $11.57 |
| Premium | $4.65 | $6.33 | $12.66 |
| Diesel | $5.30 | $7.21 | $14.43 |
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 31, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.