How far is Eureka, MO from Castle Point, MO?

The driving distance from Eureka, MO to Castle Point, MO is about 101.4 miles (163.2 km), with a travel time of about 01h 45m by car.

  • The straight-line flight distance is about 79.5 miles (128 km).
  • For a round trip, plan for roughly 03h 31m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
101.43 mi
01h 45m
Flight
79.56 mi
128.04 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Eureka.

Flight Distance

Direct air line
79.56 mi
Kilometers
128.04 km
Flight Time
00h 09m

Driving Distance

Road route
101.43 mi
Kilometers
163.24 km
Drive Time
01h 45m

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 01h 45m.

Arrival Snapshot
Arrive in Castle Point
Fri, Apr 17, 8:46 AM CDT
Return by in Eureka
Fri, Apr 17, 10:32 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Eureka
2026-04-17T07:00
Arrive Castle Point
Fri, Apr 17, 8:46 AM CDT
Route Timing
01h 45m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CDT
Aim for a morning departure
Arrive between
9:46 AM to 11:46 AM CDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
2:58 PM CDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Eureka
9:30 PM CDT
Morning start is best

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
Crystal City
MO

City in Jefferson County, Missouri, United States

From Eureka
50.5 mi
00h 53m
To Castle Point
51 mi
00h 53m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
85°F
Friday

Mostly Sunny then Chance Showers And Thunderstorms

Starts
Fri, Apr 17 6:00 AM CDT
Wind
6 to 16 mph S
Destination
88°F
Friday

Mostly Sunny then Chance Showers And Thunderstorms

Starts
Fri, Apr 17 6:00 AM CDT
Wind
3 to 14 mph S

Driving Route Map

The map below follows the saved road route between Eureka and Castle Point.

Turn-by-Turn Driving Directions

Step-by-step road directions between Eureka and Castle Point.

  1. 1

    Start on the route

    2.5 mi · 6 min

  2. 2

    Turn right

    7.1 mi · 11 min

  3. 3

    Enter the roundabout and take exit 2 toward North Kingshighway Street

    39 m · 2 sec · North Kingshighway Street

  4. 4

    Exit the roundabout onto North Kingshighway Street

    2.4 mi · 4 min · North Kingshighway Street

  5. 5

    Continue on North King's Highway

    2.8 mi · 4 min · North King's Highway

  6. 6

    Turn left

    2816 ft · 1 min

  7. 7

    Take the ramp right toward I 55 North: Saint Louis

    1135 ft · 28 sec

  8. 8

    Merge slight left

    59.4 mi · 1 hr 4 min

  9. 9

    Continue on Rosa Parks Highway

    14 mi · 18 min · Rosa Parks Highway

  10. 10

    Keep slight left to continue on Third Street Expressway

    2 mi · 3 min · Third Street Expressway

  11. 11

    Merge slight right onto Andy Gammon Memorial Highway

    1.4 mi · 2 min · Andy Gammon Memorial Highway

  12. 12

    Continue on Mark Twain Expressway

    2.1 mi · 3 min · Mark Twain Expressway

  13. 13

    Take the exit slight right toward West Florissant Avenue

    1121 ft · 25 sec

  14. 14

    Turn straight onto West Florissant Avenue

    1.9 mi · 4 min · West Florissant Avenue

  15. 15

    Turn right onto Riverview Boulevard

    1.2 mi · 2 min · Riverview Boulevard

  16. 16

    Enter the roundabout and take exit 4 toward Halls Ferry Circle

    154 m · 10 sec · Halls Ferry Road

  17. 17

    Exit the rotary onto Halls Ferry Road

    2 mi · 3 min · Halls Ferry Road

  18. 18

    Turn right onto Chambers Road

    2011 ft · 39 sec · Chambers Road

  19. 19

    Turn left onto Lord Drive

    2556 ft · 2 min · Lord Drive

  20. 20

    Arrive at your destination

    0 m · 1 sec · Lord Drive

Car Route Details

A richer read on the saved driving route between Eureka and Castle Point.

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
20 steps
10 turns on the saved route
Ramps & Exits
8
2 merges, 6 ramps or exits
Navigation Density
19.7 / 100 mi
Decision points by distance
Main Roads
I 55 North
59.6 mi · 59%
Rosa Parks Highway
14 mi · 14%
North King's Highway
2.84 mi · 3%
North Kingshighway Street
2.47 mi · 2%
West Florissant Avenue
2.15 mi · 2%
Mark Twain Expressway
2.09 mi · 2%
Longest Stretch

I 55 North

Merge slight left

59.4 mi · 01h 04m

Route Summary

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

Trip Read

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.

Drive Time
01h 45m
Day trip friendly
Same-Day Return
03h 32m
Round-trip wheel time
Road vs Air
+21.9 mi
79.5 mi direct line
Halfway Stop
Crystal City
00h 53m from Eureka
Leave By
2:58 PM CDT
Morning start is best
Weather Watch

Mostly Sunny then Chance Showers And Thunderstorms leaving Eureka and Mostly Sunny then Chance Showers And Thunderstorms near Castle Point.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Eureka to Castle Point?

The road trip is about 101.4 miles (163.2 km) and usually takes 01h 45m 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?

Crystal City is a useful midpoint, sitting about 50.5 miles from Eureka and 51 miles from Castle Point.

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

The direct path is about 79.5 miles (128 km), while the road route adds roughly 21.9 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 2:58 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $13.50 one way or $27.00 round trip. Estimated CO2 is about 31.8 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny then Chance Showers And Thunderstorms around Eureka and Mostly Sunny then Chance Showers And Thunderstorms near Castle Point.

Stop Ideas Near Crystal City

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

Mid-route Guidance
Local place coverage is thin around Crystal City, 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 Crystal City.

RAIL

Kirkwood

40 mi away
110 West Argonne Dr.
RAIL

Gateway Transportation Center

47 mi away
551 South 16th St.
RAIL

Washington

67 mi away
301 West Front St.
RAIL

Alton

79 mi away
3400 College Ave.

Flight Path Map

This map shows the direct air route between Eureka and Castle Point. Straight-line distance: 79.56 mi (128.04 km).

Eureka

#1 Eureka

City located in St.

Population11,323
Coordinates37.6789400, -89.7370500
Altitude195
CountryUnited States
Photo coming soon

#2 Castle Point

A census-designated place in Jefferson County, Missouri.

Population90,070
Coordinates38.7581100, -90.2481700
Altitude152
CountryUnited States
Start: Highway D (-89.737156, 37.679071)
End: Count Drive (-90.248701, 38.758102)

Estimated Travel Time

Distance: 163 km by road

SpeedTime
30 mph (48.3 km/h)03h 22m
40 mph (64.37 km/h)02h 32m
50 mph (80.47 km/h)02h 01m
60 mph (96.56 km/h)01h 41m
70 mph (112.65 km/h)01h 26m
80 mph (129 km/h)01h 15m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
3.58 gal
13.55 L · about $13.50
Round trip
$27.00
7.16 gal · 27.1 L
Estimated CO2
31.8 kg one way
Round trip: 63.6 kg / 140 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $13.50 $27.00
Mid-grade $4.25 $15.23 $30.45
Premium $4.65 $16.66 $33.32
Diesel $5.30 $18.99 $37.98

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 Eureka and Castle Point. The current time is 07:00:19.

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.