How far is Dayton, TX from McKinney, TX?
The driving distance from Dayton, TX to McKinney, TX is about 300.2 miles (483.1 km), with a travel time of about 04h 30m by car.
- The straight-line flight distance is about 240.3 miles (386.8 km).
- For a round trip, plan for roughly 09h 01m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 04h 30m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
City in Leon County, Texas
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms then Showers And Thunderstorms
Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Dayton and McKinney.
Turn-by-Turn Driving Directions
Step-by-step road directions between Dayton and McKinney.
-
1
Start on the route
27 m · 8 sec
-
2
Turn right
47 m · 17 sec
-
3
Turn left
69 m · 19 sec
-
4
Turn right onto South Winfree Street
43 m · 11 sec · South Winfree Street
-
5
Turn left onto United States Highway 90 East
1497 ft · 26 sec · United States Highway 90 East
-
6
Turn right onto North Cleveland Street
1028 ft · 24 sec · North Cleveland Street
-
7
Turn left onto West Clayton Street
5.1 mi · 7 min · West Clayton Street
-
8
Turn right onto East Grand Parkway North
534 ft · 15 sec · East Grand Parkway North
-
9
Take the ramp straight
1295 ft · 36 sec
-
10
Merge slight left onto East Grand Parkway North
32.4 mi · 35 min · East Grand Parkway North
-
11
Take the exit slight right toward Houston, Dallas
1706 ft · 45 sec
-
12
Turn right onto Interstate 45 North Frontage Road
2 mi · 4 min · Interstate 45 North Frontage Road
-
13
Take the ramp slight left toward I 45 North
624 ft · 8 sec
-
14
Merge slight left
212.6 mi · 3 hr 40 min
-
15
Continue on North Central Expressway
26.6 mi · 29 min · North Central Expressway
-
16
Take the exit slight right toward SRT South, TX 5: Sam Rayburn Tollway
1776 ft · 22 sec
-
17
Keep slight right
1.2 km · 1 min
-
18
Merge slight left
1.5 km · 1 min
-
19
Continue on South McDonald Street
1.6 km · 2 min · South McDonald Street
-
20
Turn slight left
86 m · 10 sec
-
21
Continue on South Tennessee Street
1.1 mi · 3 min · South Tennessee Street
-
22
Arrive at your destination
0 m · 1 sec · North Tennessee Street
Car Route Details
A richer read on the saved driving route between Dayton and McKinney.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 45 North
Merge slight left
213 mi · 03h 40m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Chance Showers And Thunderstorms then Showers And Thunderstorms leaving Dayton and Slight Chance Showers And Thunderstorms near McKinney.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Dayton to McKinney?
The road trip is about 300.2 miles (483.1 km) and usually takes 04h 30m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Buffalo is a useful midpoint, sitting about 142.4 miles from Dayton and 157.8 miles from McKinney.
How much longer is the road route than the straight-line distance?
The direct path is about 240.3 miles (386.8 km), while the road route adds roughly 59.9 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 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 7:58 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $40.02 one way or $80.04 round trip. Estimated CO2 is about 94.1 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms then Showers And Thunderstorms around Dayton and Slight Chance Showers And Thunderstorms near McKinney.
Stop Ideas Near Buffalo
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 Buffalo.
Bryan, TX
Waco, TX
Flight Path Map
This map shows the direct air route between Dayton and McKinney. Straight-line distance: 240.32 mi (386.76 km).
#1 Dayton
City in Liberty County, Texas, United States
| Population | 8,628 |
| Coordinates | 30.0466100, -94.8852000 |
| Altitude | 25 |
| Country | United States |
#2 McKinney
The third most populous city in Collin County, Texas.
| Population | 208,272 |
| Coordinates | 33.1976200, -96.6152700 |
| Altitude | 192 |
| Country | United States |
End: North Tennessee Street (-96.61506, 33.19762)
Estimated Travel Time
Distance: 483 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 00m |
| 40 mph (64.37 km/h) | 07h 30m |
| 50 mph (80.47 km/h) | 06h 00m |
| 60 mph (96.56 km/h) | 05h 00m |
| 70 mph (112.65 km/h) | 04h 17m |
| 80 mph (129 km/h) | 03h 44m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $40.02 | $80.04 |
| Mid-grade | $4.25 | $45.03 | $90.06 |
| Premium | $4.59 | $48.62 | $97.24 |
| Diesel | $3.99 | $42.29 | $84.57 |
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 Texas · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.