How far is Centennial, CO from Welby, CO?

The driving distance from Centennial, CO to Welby, CO is about 23.3 miles (37.5 km), with a travel time of about 00h 33m by car.

  • The straight-line flight distance is about 18.3 miles (29.5 km).
  • For a round trip, plan for roughly 01h 06m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM MDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
23.3 mi
00h 33m
Flight
18.32 mi
29.48 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Centennial.

Flight Distance

Direct air line
18.32 mi
Kilometers
29.48 km
Flight Time
00h 02m

Driving Distance

Road route
23.3 mi
Kilometers
37.49 km
Drive Time
00h 33m

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 33m.

Arrival Snapshot
Arrive in Welby
Thu, Apr 23, 12:17 AM MDT
Return by in Centennial
Thu, Apr 23, 12:50 AM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Centennial
2026-04-22T23:44
Arrive Welby
Thu, Apr 23, 12:17 AM MDT
Route Timing
00h 33m
One way by road
Best Departure Window
7:00 AM to 7:00 PM MDT
Leave when it suits your day
Arrive between
7:33 AM to 7:33 PM MDT

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:24 PM MDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Centennial
10:00 PM MDT
Flexible departure

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
Denver
CO

The twentieth most populous city in the United States and the center of the Denver metropolitan area.

From Centennial
11.6 mi
00h 16m
To Welby
11.6 mi
00h 16m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
80°F
Wednesday

Sunny

Starts
Wed, Apr 22 6:00 AM MDT
Wind
9 to 23 mph SW
Destination
83°F
Wednesday

Mostly Sunny

Starts
Wed, Apr 22 6:00 AM MDT
Wind
7 to 20 mph SSW

Driving Route Map

The map below follows the saved road route between Centennial and Welby.

Turn-by-Turn Driving Directions

Step-by-step road directions between Centennial and Welby.

  1. 1

    Start on the route

    151 m · 41 sec

  2. 2

    Turn left

    36 m · 11 sec

  3. 3

    Turn right onto East Panorama Circle

    536 ft · 23 sec · East Panorama Circle

  4. 4

    Turn right onto South Chester Street

    117 m · 15 sec · South Chester Street

  5. 5

    Turn right onto East Dry Creek Road

    1583 ft · 46 sec · East Dry Creek Road

  6. 6

    Turn left onto I 25 North

    1335 ft · 35 sec

  7. 7

    Merge slight left onto South Valley Highway

    19.7 mi · 25 min · South Valley Highway

  8. 8

    Take the exit slight right toward I 76: Grand Junction, Fort Morgan, 70th Avenue

    611 ft · 8 sec

  9. 9

    Keep slight left to continue on I 76 West, CO 224: Grand Junction

    1845 ft · 25 sec

  10. 10

    Keep slight left to continue on CO 224: 70th Avenue

    54 m · 4 sec

  11. 11

    Continue on CO 224: 70th Avenue

    1170 ft · 28 sec

  12. 12

    Turn right onto East 70th Avenue

    1.3 mi · 2 min · East 70th Avenue

  13. 13

    Turn left onto North York Street

    1 km · 2 min · North York Street

  14. 14

    Continue on North York Street

    567 ft · 22 sec · North York Street

  15. 15

    Arrive at your destination

    0 m · 1 sec · North York Street

Car Route Details

A richer read on the saved driving route between Centennial and Welby.

OSRM road route
Drive Character

Turn-heavy local drive

The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.

Directions
15 steps
7 turns on the saved route
Ramps & Exits
2
1 merges, 1 ramps or exits
Navigation Density
64.4 / 100 mi
Decision points by distance
Main Roads
South Valley Highway
19.7 mi · 85%
East 70th Avenue
1.29 mi · 6%
North York Street
0.75 mi · 3%
I 76 West
0.35 mi · 1%
East Dry Creek Road
0.3 mi · 1%
CO 224
0.26 mi · 1%
Longest Stretch

South Valley Highway

Merge slight left onto South Valley Highway

19.7 mi · 00h 25m

Route Summary

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

Trip Read

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.

Drive Time
00h 33m
Quick drive
Same-Day Return
01h 06m
Round-trip wheel time
Road vs Air
+5 mi
18.3 mi direct line
Halfway Stop
Denver
00h 16m from Centennial
Leave By
7:24 PM MDT
Flexible departure
Weather Watch

Sunny leaving Centennial and Mostly Sunny near Welby.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Centennial to Welby?

The road trip is about 23.3 miles (37.5 km) and usually takes 00h 33m 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?

Denver is a useful midpoint, sitting about 11.6 miles from Centennial and 11.6 miles from Welby.

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

The direct path is about 18.3 miles (29.5 km), while the road route adds roughly 5 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 MDT. If you want a more comfortable same-day return, try to leave by 7:24 PM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $3.03 one way or $6.06 round trip. Estimated CO2 is about 7.3 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Centennial and Mostly Sunny near Welby.

Stop Ideas Near Denver

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

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Denver and the surrounding midpoint area.
Fairplay Park
Scenic stop 9.9 mi away

Fairplay Park

Aurora , CO
2200 Altura Blvd, Aurora, CO 80011
Rating 4.2/5 125 reviews Tourist attraction,Park
Denver City Council
Meeting point 2.5 mi away

Denver City Council

Denver , CO
1437 Bannock St rm 451, Denver, CO 80202
Rating 3.6/5 92 reviews City government office,County government office
Town Hall Arts Center
Nearby stop 6.3 mi away

Town Hall Arts Center

Littleton , CO
2450 Main St, Littleton, CO 80120
Rating 4.7/5 204 reviews Performing arts theater,Art gallery
Municipal Court Park
Scenic stop 9.3 mi away

Municipal Court Park

Westminster , CO
3025 W 76th Ave, Westminster, CO 80030
Rating 3.8/5 94 reviews Park

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Denver.

BUS

Denver (Bus Station), Colorado

1 mi away
1055 19th Street
RAIL

Union Station

2 mi away
1701 Wynkoop Street
BUS

Boulder, Colorado

44 mi away
30th & Diagonal Highway
BUS

Pine Junction, CO

46 mi away
76 Mount Evans Boulevard

Flight Path Map

This map shows the direct air route between Centennial and Welby. Straight-line distance: 18.32 mi (29.48 km).

Centennial

#1 Centennial

The second most populous city in Arapahoe County, Colorado.

Population110,156
Coordinates39.5791600, -104.8769200
Altitude1777
CountryUnited States
Welby

#2 Welby

Census-designated place in Colorado

Population14,846
Coordinates39.8366500, -104.9591500
Altitude1565
CountryUnited States
Start: Centennial (-104.87692, 39.57916)
End: Welby (-104.95915, 39.83665)

Estimated Travel Time

Distance: 37 km by road

SpeedTime
30 mph (48.3 km/h)00h 46m
40 mph (64.37 km/h)00h 34m
50 mph (80.47 km/h)00h 27m
60 mph (96.56 km/h)00h 23m
70 mph (112.65 km/h)00h 19m
80 mph (129 km/h)00h 17m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.82 gal
3.11 L · about $3.03
Round trip
$6.06
1.64 gal · 6.22 L
Estimated CO2
7.3 kg one way
Round trip: 14.6 kg / 32 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.70 $3.03 $6.06
Mid-grade $4.08 $3.35 $6.70
Premium $4.39 $3.60 $7.20
Diesel $4.74 $3.88 $7.77

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 · Apr 23, 2026

There is no time difference between Centennial and Welby. The current time is 23:44:46.

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.