How far is Tomball, TX from Plano, TX?
The driving distance from Tomball, TX to Plano, TX is about 245.8 miles (395.5 km), with a travel time of about 03h 40m by car.
- The straight-line flight distance is about 211.8 miles (340.8 km).
- For a round trip, plan for roughly 07h 20m 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 03h 40m.
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.
Partly Sunny then Slight Chance Showers And Thunderstorms
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Tomball and Plano.
Turn-by-Turn Driving Directions
Step-by-step road directions between Tomball and Plano.
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1
Start on the route
1.4 mi · 3 min
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2
Turn left onto Hufsmith Kohrville Road
1.3 mi · 2 min · Hufsmith Kohrville Road
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3
Continue on FM 2978 Road
7.9 mi · 12 min · FM 2978 Road
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4
Turn right onto FM 1488
6.8 mi · 10 min · FM 1488
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5
Turn slight left
973 ft · 43 sec
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6
Continue on Interstate 45 North Frontage Road
1.4 km · 2 min · Interstate 45 North Frontage Road
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7
Take the ramp slight left toward I 45 North
1918 ft · 47 sec
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8
Merge slight left
203.3 mi · 3 hr 29 min
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9
Continue on North Central Expressway
15.2 mi · 16 min · North Central Expressway
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10
Take the exit slight right toward Plano Parkway, 15th Street
2162 ft · 53 sec
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11
Turn straight onto North Central Expressway
1.4 mi · 2 min · North Central Expressway
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12
Turn right onto East 15th Street
3101 ft · 1 min · East 15th Street
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13
Arrive at your destination
0 m · 1 sec · East 15th Street
Car Route Details
A richer read on the saved driving route between Tomball and Plano.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 45 North
Merge slight left
203 mi · 03h 29m
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.
Partly Sunny then Slight Chance Showers And Thunderstorms leaving Tomball and Mostly Cloudy near Plano.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Tomball to Plano?
The road trip is about 245.8 miles (395.5 km) and usually takes 03h 40m 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 120 miles from Tomball and 125.8 miles from Plano.
How much longer is the road route than the straight-line distance?
The direct path is about 211.8 miles (340.8 km), while the road route adds roughly 34 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 9:40 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $32.76 one way or $65.53 round trip. Estimated CO2 is about 77.1 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny then Slight Chance Showers And Thunderstorms around Tomball and Mostly Cloudy near Plano.
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.
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Flight Path Map
This map shows the direct air route between Tomball and Plano. Straight-line distance: 211.76 mi (340.79 km).
#1 Tomball
City in Texas
| Population | 11,722 |
| Coordinates | 30.0971600, -95.6160500 |
| Altitude | 57 |
| Country | United States |
#2 Plano
The second most populous city in Texas and the center of the Dallas-Fort Worth metropolitan area.
| Population | 291,296 |
| Coordinates | 33.0198400, -96.6988900 |
| Altitude | 203 |
| Country | United States |
End: East 15th Street (-96.698873, 33.019694)
Estimated Travel Time
Distance: 396 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 11m |
| 40 mph (64.37 km/h) | 06h 08m |
| 50 mph (80.47 km/h) | 04h 54m |
| 60 mph (96.56 km/h) | 04h 05m |
| 70 mph (112.65 km/h) | 03h 30m |
| 80 mph (129 km/h) | 03h 03m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $32.76 | $65.53 |
| Mid-grade | $4.25 | $36.86 | $73.73 |
| Premium | $4.59 | $39.80 | $79.61 |
| Diesel | $3.99 | $34.62 | $69.24 |
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.