How far is Houston, TX from Knox City, TX?
The driving distance from Houston, TX to Knox City, TX is about 465.3 miles (748.9 km), with a travel time of about 08h 23m by car.
- The straight-line flight distance is about 364 miles (585.8 km).
- For a round trip, plan for roughly 16h 47m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 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 08h 23m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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 Texas
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny then Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Houston and Knox City.
Turn-by-Turn Driving Directions
Step-by-step road directions between Houston and Knox City.
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1
Start on Louisiana Street
145 m · 20 sec · Louisiana Street
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2
Turn right onto Franklin Street
664 ft · 28 sec · Franklin Street
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3
Turn left onto Travis Street
1205 ft · 29 sec · Travis Street
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4
Take the ramp straight toward I 45 North Express Lane
1.6 km · 2 min
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5
Merge slight left onto North Freeway
236.9 mi · 4 hr 9 min · North Freeway
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6
Take the exit slight right toward Waco, Denton
3139 ft · 1 min
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7
Continue on Woodall Rodgers Freeway
1.4 km · 1 min · Woodall Rodgers Freeway
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8
Take the exit slight right toward I 35E North: Denton
1980 ft · 48 sec
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9
Merge slight left onto North Stemmons Freeway
4.1 mi · 5 min · North Stemmons Freeway
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10
Keep slight left to continue on John W Carpenter Freeway
1.2 km · 49 sec · John W Carpenter Freeway
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11
Keep slight left to continue on SH 183 TEXpress
1.5 mi · 2 min · SH 183 TEXpress
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12
Keep slight right to continue on SH 183 TEXpress
14.9 mi · 15 min · SH 183 TEXpress
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13
Continue on SH 121/183 TEXpress
2 mi · 2 min · SH 121/183 TEXpress
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14
Continue on SH 183 TEXpress
644 ft · 7 sec · SH 183 TEXpress
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15
Continue on SH 121/183 TEXpress
1.1 km · 43 sec · SH 121/183 TEXpress
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16
Continue on I 820 TEXpress
6.2 mi · 6 min · I 820 TEXpress
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17
Take the exit slight right toward I 35W Express: Fort Worth, Denton
1079 ft · 26 sec
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18
Keep slight right to continue on I 35W Express North: Denton
1.3 km · 50 sec
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19
Merge slight left onto I 35W TEXpress
2.3 mi · 2 min · I 35W TEXpress
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20
Take the exit slight right toward US 81 North, US 287 North: Decatur
1.1 km · 1 min
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21
Merge slight left
1.7 mi · 2 min
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22
Continue straight
101 mi · 1 hr 47 min
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23
Take the exit slight right toward US 82 West, US 277 South: Lubbock, Abilene
56.5 mi · 1 hr 3 min
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24
Continue straight
18.9 mi · 21 min
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25
Take the exit slight right
1670 ft · 49 sec
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26
Turn right
4.4 mi · 7 min
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27
Continue on State Highway 222
7.1 mi · 11 min · State Highway 222
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28
Continue on East Main Street
1.3 km · 1 min · East Main Street
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29
Arrive at your destination
0 m · 1 sec · East Main Street
Car Route Details
A richer read on the saved driving route between Houston and Knox City.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
North Freeway
Merge slight left onto North Freeway
237 mi · 04h 09m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Partly Sunny then Chance Showers And Thunderstorms leaving Houston and Sunny near Knox City.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Houston to Knox City?
The road trip is about 465.3 miles (748.9 km) and usually takes 08h 23m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Hutchins is a useful midpoint, sitting about 232.8 miles from Houston and 232.5 miles from Knox City.
How much longer is the road route than the straight-line distance?
The direct path is about 364 miles (585.8 km), while the road route adds roughly 101.3 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 6:00 AM to 7:30 AM CDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $62.05 one way or $124.10 round trip. Estimated CO2 is about 145.9 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny then Chance Showers And Thunderstorms around Houston and Sunny near Knox City.
Stop Ideas Near Hutchins
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Anju
Dallas Environmental Quality
Dallas City Hall
Ovilla City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Hutchins.
Union Station
Dallas, TX
Mesquite, TX
Fort Worth Central Station
Flight Path Map
This map shows the direct air route between Houston and Knox City. Straight-line distance: 363.98 mi (585.77 km).
#1 Houston
The fourth most populous city in the United States and the center of the Houston metropolitan area.
| Population | 2,316,120 |
| Coordinates | 29.7632800, -95.3632700 |
| Altitude | 12 |
| Country | United States |
#2 Knox City
City in Knox County, Texas, United States
| Population | 1,120 |
| Coordinates | 33.4181500, -99.8189800 |
| Altitude | 466 |
| Country | United States |
End: Knox City (-99.81898, 33.41815)
Estimated Travel Time
Distance: 749 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 15h 30m |
| 40 mph (64.37 km/h) | 11h 38m |
| 50 mph (80.47 km/h) | 09h 18m |
| 60 mph (96.56 km/h) | 07h 45m |
| 70 mph (112.65 km/h) | 06h 38m |
| 80 mph (129 km/h) | 05h 48m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $62.05 | $124.10 |
| Mid-grade | $4.25 | $69.82 | $139.64 |
| Premium | $4.59 | $75.38 | $150.77 |
| Diesel | $3.99 | $65.57 | $131.13 |
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 · Jun 01, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.