How far is Saint Charles, MO from Herculaneum, MO?
The driving distance from Saint Charles, MO to Herculaneum, MO is about 43 miles (69.2 km), with a travel time of about 00h 56m by car.
- The straight-line flight distance is about 36 miles (58 km).
- For a round trip, plan for roughly 01h 52m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
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.
This route works well as a day trip with time at the destination.
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 56m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Census designated place
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms
Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between Saint Charles and Herculaneum.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Charles and Herculaneum.
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1
Start on North Second Street
949 ft · 38 sec · North Second Street
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2
Turn right onto Jefferson Street
1093 ft · 45 sec · Jefferson Street
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3
Turn left onto South Fifth Street
1.1 mi · 3 min · South Fifth Street
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4
Take the ramp slight left toward I 70 East
1019 ft · 14 sec
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5
Merge slight left
2.7 mi · 3 min
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6
Take the exit slight right toward I 270: Chicago, Memphis
872 ft · 12 sec
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7
Keep slight right to continue on I 270 South: Memphis
2339 ft · 33 sec
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8
Continue on I 270 South: Memphis
723 ft · 10 sec
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9
Merge slight left
19 mi · 24 min
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10
Take the exit slight right toward I 55, US 61, US 67: Saint Louis, Memphis, Lemay Ferry Road
1911 ft · 27 sec
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11
Keep slight right to continue on I 55 South: Memphis
2031 ft · 44 sec
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12
Merge slight left onto Rosa Parks Highway
1.5 mi · 2 min · Rosa Parks Highway
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13
Continue on Officer Thomas G. Smith, Jr. Memorial Highway
1.8 mi · 2 min · Officer Thomas G. Smith, Jr. Memorial Highway
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14
Continue on Police Officer Steven Jarvis Memorial Highway
12 mi · 13 min · Police Officer Steven Jarvis Memorial Highway
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15
Take the exit slight right toward MO Z: Pevely
1544 ft · 41 sec
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16
Turn left
2864 ft · 1 min
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17
Turn right onto Commercial Boulevard
1.3 mi · 2 min · Commercial Boulevard
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18
Turn left onto Joachim Avenue
1 km · 2 min · Joachim Avenue
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19
Turn left
17 m · 4 sec
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20
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Saint Charles and Herculaneum.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 270 South
Merge slight left
19 mi · 00h 24m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Showers And Thunderstorms leaving Saint Charles and Showers And Thunderstorms Likely near Herculaneum.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Saint Charles to Herculaneum?
The road trip is about 43 miles (69.2 km) and usually takes 00h 56m 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?
Sappington is a useful midpoint, sitting about 21.5 miles from Saint Charles and 21.5 miles from Herculaneum.
How much longer is the road route than the straight-line distance?
The direct path is about 36 miles (58 km), while the road route adds roughly 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 4:38 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.73 one way or $11.46 round trip. Estimated CO2 is about 13.5 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around Saint Charles and Showers And Thunderstorms Likely near Herculaneum.
Stop Ideas Near Sappington
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 Sappington.
Kirkwood
Gateway Transportation Center
Alton
Washington
Flight Path Map
This map shows the direct air route between Saint Charles and Herculaneum. Straight-line distance: 36.04 mi (58 km).
#1 Saint Charles
A city in St.
| Population | 71,761 |
| Coordinates | 38.7839400, -90.4812300 |
| Altitude | 147 |
| Country | United States |
#2 Herculaneum
Roman town
| Population | 4,261 |
| Coordinates | 38.2683900, -90.3801200 |
| Altitude | 135 |
| Country | United States |
End: Herculaneum (-90.38012, 38.26839)
Estimated Travel Time
Distance: 69 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 26m |
| 40 mph (64.37 km/h) | 01h 04m |
| 50 mph (80.47 km/h) | 00h 51m |
| 60 mph (96.56 km/h) | 00h 43m |
| 70 mph (112.65 km/h) | 00h 36m |
| 80 mph (129 km/h) | 00h 32m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $5.73 | $11.46 |
| Mid-grade | $4.25 | $6.46 | $12.93 |
| Premium | $4.65 | $7.07 | $14.15 |
| Diesel | $5.30 | $8.06 | $16.12 |
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 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.