Skip to main content
US Trip Planner Logo
US Trip Planner

Trip from Castle Point, MO to Weldon Spring, MO

Pin this trip

Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Sep 4, 2026 · Editorial standards

Drive Time

39m

Distance

27.3 mi

44 km

Drive Score

7/10

Good drive

Same Day?

Yes, doable

Fuel Cost

$4

one way

EV Charging

Unknown

Best Time to Leave

Save up to 10 min
4 AM
0h 37m ★
6 AM
0h 40m
8 AM
0h 47m
10 AM
0h 42m
12 PM
0h 42m
3 PM
0h 43m
5 PM
0h 46m
8 PM
0h 38m

Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.

Best Time
Google Maps Waze Apple Maps
Download GPX
Downtown Castle Point, MO, MO

Castle Point, MO

Gergely Meszárcsek

city in St. Charles County, Missouri, United States

Weldon Spring, MO

Wikimedia Commons

Trip Overview

Castle Point to Weldon Spring is 27.3 miles and takes about 39 minutes via Rosemary Straub Davison Highway, South First Capitol Drive, and MO 94, with a fuel budget near $4 and enough daylight to finish in a day. This short trip stays within Missouri, moving you from one Midwest locale to another. Given its duration, this route is ideal for a quick transit or a brief excursion, allowing ample time for exploration at your destination. You won't spend much time on the road, making it an easy addition to a larger travel plan.

Main Roads

Road Distance Duration
Rosemary Straub Davison Highway 8.6 mi 10m
South First Capitol Drive 7.3 mi 9m
MO 94 3.7 mi 5m
I 70 3.3 mi 4m
New Halls Ferry Road 0.7 mi 1m
North Outer Road 0.5 mi <1m
Dunn Road 0.4 mi <1m
Halls Ferry Road 0.3 mi <1m
Longest stretch: Rosemary Straub Davison Highway — 8.6 mi, about 10m

Traffic on I-70

Hour-of-day weekday pattern from 22 FHWA count stations on your route.

Peak

4 PM

~6,486 veh/hr typical

Quietest

2 AM

~540 veh/hr

Peak-to-quiet ratio

12×

busier at peak than in the quiet hours

12a 6a noon 6p 11p

Averaged across 105 weeks of 2023 FHWA Travel Monitoring Analysis System data. Weekday hours only (Mon–Fri).

Turn-by-Turn Driving Directions

Step-by-step road directions between Castle Point, MO and Weldon Spring, MO.

1

Start on Lord Drive

284 ft · 14 sec · Lord Drive
2

Turn right onto Duchess Drive

0.2 mi · 53 sec · Duchess Drive
3

Turn right onto Edgefield Drive

0.3 mi · 1 min · Edgefield Drive
4

Turn left onto Hudson Drive

0.3 mi · 1 min · Hudson Drive
5

At end of road, turn right onto MO AC

0.3 mi · 29 sec · Halls Ferry Road
6

Keep slight left at fork onto MO AC

0.7 mi · 1 min · New Halls Ferry Road
7

Turn left onto Dunn Road

0.4 mi · 53 sec · Dunn Road
Use the left lane.
8

Take the ramp

0.3 mi · 33 sec
Toward I 270 West
9

Merge onto I 270

8.6 mi · 10 min · Rosemary Straub Davison Highway
Use the straight / slight right lanes.
10

Take the exit

0.3 mi · 25 sec
Exit 20A Toward I 70: Saint Louis, Kansas City
11

Continue on this road

0.5 mi · 42 sec · this road
Exit 20A-B Toward I 70: Saint Louis, Kansas City Use the slight left / slight right lanes.
12

Keep slight right at fork

0.5 mi · 41 sec
Exit 20B Toward I 70 West: Kansas City Use the slight right lane.
13

Merge onto I 70

3.3 mi · 4 min · I 70
Use the straight / slight right lanes.
14

Take the exit

0.1 mi · 16 sec
Use the straight / slight right lanes.
15

Turn straight onto North Outer Road

0.2 mi · 23 sec · North Outer Road
Toward I 70 West
16

Continue on North Outer Road

0.3 mi · 29 sec · North Outer Road
Toward I 70 West
17

Keep slight left at fork

0.1 mi · 15 sec
Toward MO 94 West: Veterans Memorial Parkway
18

Continue on MO 94

7.3 mi · 9 min · South First Capitol Drive
Use the straight / slight right lanes.
19

Take the exit onto MO 94

3.7 mi · 5 min · MO 94
Exit 8A Toward MO 94 West: Weldon Spring Use the slight right lane.
20

Turn slight right onto Weldon Spring Road

276 ft · 14 sec · Weldon Spring Road
21

At end of road, turn left onto Old 94 South

149 ft · 4 sec · Old 94 South
22

Arrive at destination

Old 94 South

Heads-up: tricky spots

5 of 17

5 decision points cluster between mile 0.1 and 23.6 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.

5
0.1 mi into trip | ~0m in | Duchess Drive

Turn right onto Duchess Drive

Navigation decision point

6
11 mi into trip | ~17m in

Take the exit toward I 70: Saint Louis, Kansas City

Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one

Exit 20A Toward I 70: Saint Louis, Kansas City
8
11.8 mi into trip | ~18m in

Keep slight right at fork toward I 70 West: Kansas City

Highway fork - watch signs carefully. Lane positioning matters here

Use the slight right lane. Exit 20B Toward I 70 West: Kansas City
6
16.1 mi into trip | ~24m in

Keep slight left at fork toward MO 94 West: Veterans Memorial Parkway

Highway fork - watch signs carefully

Toward MO 94 West: Veterans Memorial Parkway
7
23.6 mi into trip | ~34m in | MO 94

Take the exit onto MO 94 toward MO 94 West: Weldon Spring

Exit ramp - move to the correct lane early. Lane positioning matters here

Use the slight right lane. Exit 8A Toward MO 94 West: Weldon Spring

Fuel & Cost

Regular Gas

$4.23 one way

$8.47 round trip

$3.94/gal 25.4 MPG avg 10 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.32 $4.64 $9.28
premium $4.93 $5.30 $10.59
diesel $5.60 $6.02 $12.04

No toll roads detected on this route.

Drive Cost (one way)

Fuel

$4

Estimated CO2 emission: 9.6 kg one way. Prices: EIA weekly data, 2026-08-31.

Driving Electric?

About $3 in charging · 0 stops · 70% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 8.2 0 $2.87 $1.31
Efficient EV 6.8 0 $2.39 $1.09
EV Truck/SUV 10.9 0 $3.82 $1.75

Gas CO2

10 kg

EV CO2

3 kg (70% less)

This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.

DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.

Travel Intel

Current conditions at both ends of the drive.

Forecast as of Aug 31, 2026

Origin

Castle Point, MO

Late night in Castle Point on Friday

Local time

5:42 AM

CDT

Current temp

75°F

Mostly Clear

S 7 mph 0% chance Live forecast

Heat Advisory

Heat Advisory issued August 30 at 11:03PM CDT until September 4 at 8:00PM CDT by NWS St Louis MO

Heat Advisory

Heat Advisory issued August 30 at 11:03PM CDT until September 4 at 8:00PM CDT by NWS St Louis MO

Destination

Weldon Spring, MO

Late night in Weldon Spring on Friday

Local time

5:42 AM

CDT

Current temp

73°F

Mostly Clear

S 6 mph 0% chance Live forecast

Heat Advisory

Heat Advisory issued August 30 at 11:03PM CDT until September 4 at 8:00PM CDT by NWS St Louis MO

Heat Advisory

Heat Advisory issued August 30 at 11:03PM CDT until September 4 at 8:00PM CDT by NWS St Louis MO

Time zone

Same local time

Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.

Temperature spread

2 degrees cooler at arrival

A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.

Road read

39m on the road

The weather snapshot is not static. If you are leaving later, give both cities one more quick forecast check before departure.

Weather data from the National Weather Service. Conditions may change; check closer to your travel date.

What kind of drive is this?

Your drive will primarily be on surface roads, with only about 25% of the 27.3 miles on highways. You'll experience a longest stretch of 8.6 miles on Rosemary Straub Davison Highway before transitioning to other main roads. Expect to navigate through areas with more frequent intersections and traffic signals as you move away from any limited-access sections. This is a route where you'll be more aware of local traffic patterns than high-speed cruising.

Only 25% highway — the rest is turn-by-turn surface driving.
22 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 8.6 mi on Rosemary Straub Davison Highway.

How Hard Is This Drive?

10/10

Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 0.1 miles in near Duchess Drive.

Driving Effort 10/10

Focused - lots of decisions in a short distance, but it is over quickly

Balances navigation complexity with total wheel time.

This is a short but busy drive. With 17 decision points packed into just 27.3 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 39m.

Where does it get tricky?

The main spots that need attention: at 0.1 miles (Duchess Drive): Navigation decision point; at 11 miles: Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one; at 11.8 miles: Highway fork - watch signs carefully. Lane positioning matters here.

Elevation Profile

Mostly flat terrain

636 ft 459 ft

Total Climb

391 ft

Total Descent

348 ft

Highest Point

636 ft

~19.5 mi in

Elevation Range

177 ft

Towns Mentioned on Route Signs

Based on OSRM destination-sign hints, not a full list of every settlement the road passes.

On the drive from Castle Point, MO to Weldon Spring, MO, road signs begin pointing toward Kansas City along the way.

Kansas City

11 mi in | ~17m

About the Cities

Starting in Castle Point, MO

Full guide →

Arriving in Weldon Spring, MO

Full guide →

City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).

Who Is This Route For?

Weekend Trip

Doable as a same-day drive at 39m. Total distance: 27.3 miles.

Family Friendly

Moderate complexity with 0 natural rest stops along the way.

Solo Traveler

39m drive, comfortable solo distance.

EV Driver

0 DC fast chargers along the route. Coverage: unknown.

Scenic Drive

Mostly surface roads route profile with national parks nearby.

Frequently Asked Questions

The longest stretch is about 8.6 miles on Rosemary Straub Davison Highway. The full list of main roads is in the Roads section above.

It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Weldon Spring, MO before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.

Yes. At under 2 hours behind the wheel, this works well for families — plan one quick stop if you have younger kids.

The main spots that need attention: at 0.1 miles (Duchess Drive): Navigation decision point; at 11 miles: Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one; at 11.8 miles: Highway fork - watch signs carefully. Lane positioning matters here.

Yes — Gateway Arch National Park. See the National Parks section for detour distances and tips on detours.

Yes. A round trip is manageable in a single day if you plan a break at Weldon Spring, MO before heading back.

How this page is built

Compiled by the US Trip Planner planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, EIA for fuel prices, USGS 3DEP for elevation, NPS for national parks, and FHWA TMAS for hourly traffic volumes. See our methodology for refresh cadence and limitations.

Was this helpful?

Thanks for your feedback!

Your tip has been submitted. Thanks!

/500

Explore More

Continue From Weldon Spring, MO

Saint Joseph, MO 276.7 mi · 5h 13m Lee's Summit, MO 216.1 mi · 4h 7m Independence, MO 211.8 mi · 4h 2m

More from Castle Point, MO

Savannah, MO 310.2 mi · 5h 57m Goodman, MO 309.5 mi · 5h 50m Saint Joseph, MO 300.1 mi · 5h 45m Neosho, MO 295.3 mi · 5h 40m Duquesne, MO 286.6 mi · 5h 26m Cassville, MO 279.7 mi · 5h 35m

More trips to Weldon Spring, MO

New York, MO 229.8 mi Kansas City, MO 219.6 mi East Independence, MO 210 mi
Escape planner: Castle Point, MO Scenic drives in MO

Explore more options from Castle Point, MO or browse trips ending in Weldon Spring, MO.

Looking for more statewide routes? Browse MO road trips.