How far is Avon, CO from Castle Rock, CO?

The driving distance from Avon, CO to Castle Rock, CO is about 132.9 miles (213.9 km), with a travel time of about 02h 11m by car.

  • The straight-line flight distance is about 90.6 miles (145.8 km).
  • For a round trip, plan for roughly 04h 23m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM MDT.
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
132.92 mi
02h 11m
Flight
90.61 mi
145.83 km direct

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

Learn Distance

Choose another destination from Avon.

Flight Distance

Direct air line
90.61 mi
Kilometers
145.83 km
Flight Time
00h 10m

Driving Distance

Road route
132.92 mi
Kilometers
213.91 km
Drive Time
02h 11m

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 02h 11m.

Arrival Snapshot
Arrive in Castle Rock
Mon, Jun 1, 10:29 AM MDT
Return by in Avon
Mon, Jun 1, 12:41 PM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Avon
2026-06-01T08:18
Arrive Castle Rock
Mon, Jun 1, 10:29 AM MDT
Route Timing
02h 11m
One way by road
Best Departure Window
8:00 AM to 10:00 AM MDT
Aim for a morning departure
Arrive between
10:12 AM to 12:12 PM MDT

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

Leave by
2:06 PM MDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Avon
9:30 PM MDT
Morning start is best

This departure sits inside the recommended comfort window for the route.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Empire
CO

Statutory Town in Clear Creek County, Colorado, United States

From Avon
65.9 mi
01h 05m
To Castle Rock
67 mi
01h 05m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
69°F
Monday

Sunny

Starts
Mon, Jun 1 6:00 AM MDT
Wind
5 to 15 mph SSW
Destination
77°F
Monday

Mostly Sunny then Showers And Thunderstorms Likely

Starts
Mon, Jun 1 6:00 AM MDT
Wind
1 to 12 mph NE

Driving Route Map

The map below follows the saved road route between Avon and Castle Rock.

Turn-by-Turn Driving Directions

Step-by-step road directions between Avon and Castle Rock.

  1. 1

    Start on Avon Road

    1001 ft · 20 sec · Avon Road

  2. 2

    Enter the roundabout and take exit 2 toward Avon Road

    30 m · 2 sec · Avon Road

  3. 3

    Exit the roundabout onto Avon Road

    80 m · 5 sec · Avon Road

  4. 4

    Enter the roundabout and take exit 2 toward Avon Road

    52 m · 3 sec · Avon Road

  5. 5

    Exit the roundabout onto Avon Road

    102 m · 7 sec · Avon Road

  6. 6

    Take the ramp slight right

    1511 ft · 37 sec

  7. 7

    Merge slight left onto Gerald R. Ford Memorial Highway

    94.2 mi · 1 hr 53 min · Gerald R. Ford Memorial Highway

  8. 8

    Take the exit slight right toward US 6 East: 6th Avenue, Lakewood

    1795 ft · 44 sec

  9. 9

    Merge slight left onto West 6th Avenue Freeway

    7.9 mi · 9 min · West 6th Avenue Freeway

  10. 10

    Take the exit slight right toward I 25: Fort Collins, Colorado Springs

    1 km · 59 sec

  11. 11

    Take the exit slight right toward I 25 South: Colorado Springs

    2680 ft · 1 min

  12. 12

    Merge slight left onto North Valley Highway

    26.6 mi · 30 min · North Valley Highway

  13. 13

    Take the exit slight right toward Wilcox Street, Wolfensberger Road

    1213 ft · 32 sec

  14. 14

    Turn left onto East Wolfensberger Road

    132 m · 21 sec · East Wolfensberger Road

  15. 15

    Continue on North Wilcox Street

    2093 ft · 1 min · North Wilcox Street

  16. 16

    Turn left onto 5th Street

    979 ft · 37 sec · 5th Street

  17. 17

    Turn right onto North Cantril Street

    837 ft · 29 sec · North Cantril Street

  18. 18

    Arrive at your destination

    0 m · 1 sec · North Cantril Street

Car Route Details

A richer read on the saved driving route between Avon and Castle Rock.

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
18 steps
7 turns on the saved route
Ramps & Exits
12
3 merges, 9 ramps or exits
Navigation Density
13.5 / 100 mi
Decision points by distance
Main Roads
Gerald R. Ford Memorial Highway
94.2 mi · 71%
North Valley Highway
26.6 mi · 20%
West 6th Avenue Freeway
7.89 mi · 6%
I 25
0.64 mi
Avon Road
0.64 mi
I 25 South
0.51 mi
Longest Stretch

Gerald R. Ford Memorial Highway

Merge slight left onto Gerald R. Ford Memorial Highway

94.2 mi · 01h 53m

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
02h 11m
Day trip friendly
Same-Day Return
04h 24m
Round-trip wheel time
Road vs Air
+42.3 mi
90.6 mi direct line
Halfway Stop
Empire
01h 05m from Avon
Leave By
2:06 PM MDT
Morning start is best
Weather Watch

Sunny leaving Avon and Mostly Sunny then Showers And Thunderstorms Likely near Castle Rock.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Avon to Castle Rock?

The road trip is about 132.9 miles (213.9 km) and usually takes 02h 11m 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?

Empire is a useful midpoint, sitting about 65.9 miles from Avon and 67 miles from Castle Rock.

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

The direct path is about 90.6 miles (145.8 km), while the road route adds roughly 42.3 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 MDT. If you want a more comfortable same-day return, try to leave by 2:06 PM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $17.34 one way or $34.69 round trip. Estimated CO2 is about 41.7 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Avon and Mostly Sunny then Showers And Thunderstorms Likely near Castle Rock.

Stop Ideas Near Empire

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

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

RAIL

Fraser – Winter Park

24 mi away
205 Fraser Avenue
BUS

Frisco, Colorado

40 mi away
1010 Meadow Drive
BUS

Pine Junction, CO

41 mi away
76 Mount Evans Boulevard
RAIL

Granby

42 mi away
438 Railroad Avenue

Flight Path Map

This map shows the direct air route between Avon and Castle Rock. Straight-line distance: 90.61 mi (145.83 km).

Avon

#1 Avon

Home Rule Municipality that is a town in Eagle County, Colorado, United States

Population6,952
Coordinates39.6313700, -106.5222500
Altitude2265
CountryUnited States
Castle Rock

#2 Castle Rock

The most populous city in Douglas County, Colorado.

Population70,567
Coordinates39.3722100, -104.8560900
Altitude1897
CountryUnited States
Start: Avon Road (-106.522444, 39.631397)
End: Cantril Street (-104.856315, 39.3722)

Estimated Travel Time

Distance: 214 km by road

SpeedTime
30 mph (48.3 km/h)04h 25m
40 mph (64.37 km/h)03h 19m
50 mph (80.47 km/h)02h 39m
60 mph (96.56 km/h)02h 12m
70 mph (112.65 km/h)01h 53m
80 mph (129 km/h)01h 39m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
4.69 gal
17.75 L · about $17.34
Round trip
$34.69
9.38 gal · 35.5 L
Estimated CO2
41.7 kg one way
Round trip: 83.4 kg / 184 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.70 $17.34 $34.69
Mid-grade $4.08 $19.15 $38.31
Premium $4.39 $20.59 $41.19
Diesel $4.74 $22.22 $44.43

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 Colorado · Jun 01, 2026

There is no time difference between Avon and Castle Rock. The current time is 08:18:07.

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.