How far is Houston, TX from Calvert, TX?
The driving distance from Houston, TX to Calvert, TX is about 123.7 miles (199 km), with a travel time of about 02h 22m by car.
- The straight-line flight distance is about 114.6 miles (184.5 km).
- For a round trip, plan for roughly 04h 45m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
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.
This route works well as a day trip with time at the destination.
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 02h 22m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
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 Houston and Calvert.
Turn-by-Turn Driving Directions
Step-by-step road directions between Houston and Calvert.
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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
8.3 mi · 10 min · North Freeway
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6
Take the exit slight right toward TX 249
818 ft · 20 sec
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7
Turn straight onto North Freeway Frontage Road
1849 ft · 39 sec · North Freeway Frontage Road
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8
Turn left onto West Mount Houston Road
2.9 mi · 5 min · West Mount Houston Road
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9
Continue on Tomball Parkway
3.8 mi · 6 min · Tomball Parkway
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10
Continue on Tomball Parkway
8.4 mi · 10 min · Tomball Parkway
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11
Continue on Tomball Tollway
7.3 mi · 8 min · Tomball Tollway
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12
Continue on MCTRA 249 Tollway
3.6 mi · 4 min · MCTRA 249 Tollway
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13
Continue on Aggie Expressway
24.8 mi · 27 min · Aggie Expressway
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14
Continue on State Highway 105
5.8 mi · 7 min · State Highway 105
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15
Turn right onto State Highway 6
815 ft · 16 sec · State Highway 6
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16
Take the ramp slight left
755 ft · 18 sec
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17
Merge slight left
49.8 mi · 53 min
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18
Keep slight right to continue on North State Highway 6
5.8 mi · 6 min · North State Highway 6
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19
Continue on South Main Street
1.5 km · 1 min · South Main Street
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20
Arrive at your destination
0 m · 1 sec · South Main Street
Car Route Details
A richer read on the saved driving route between Houston and Calvert.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
State Highway 6
Merge slight left
49.8 mi · 00h 53m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Partly Sunny then Slight Chance Showers And Thunderstorms leaving Houston and Mostly Cloudy near Calvert.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Houston to Calvert?
The road trip is about 123.7 miles (199 km) and usually takes 02h 22m 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?
Navasota is a useful midpoint, sitting about 61.9 miles from Houston and 61.8 miles from Calvert.
How much longer is the road route than the straight-line distance?
The direct path is about 114.6 miles (184.5 km), while the road route adds roughly 9.1 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 CDT. If you want a more comfortable same-day return, try to leave by 1:44 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $16.48 one way or $32.95 round trip. Estimated CO2 is about 38.7 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny then Slight Chance Showers And Thunderstorms around Houston and Mostly Cloudy near Calvert.
Stop Ideas Near Navasota
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 Navasota.
Prairie View, TX
Bryan, TX
Houston
Houston, TX
Flight Path Map
This map shows the direct air route between Houston and Calvert. Straight-line distance: 114.66 mi (184.53 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 Calvert
City in Robertson County, Texas, United States
| Population | 1,136 |
| Coordinates | 30.9779700, -96.6738600 |
| Altitude | 100 |
| Country | United States |
End: Calvert (-96.67386, 30.97797)
Estimated Travel Time
Distance: 199 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 07m |
| 40 mph (64.37 km/h) | 03h 05m |
| 50 mph (80.47 km/h) | 02h 28m |
| 60 mph (96.56 km/h) | 02h 03m |
| 70 mph (112.65 km/h) | 01h 45m |
| 80 mph (129 km/h) | 01h 32m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $16.48 | $32.95 |
| Mid-grade | $4.25 | $18.54 | $37.08 |
| Premium | $4.59 | $20.02 | $40.03 |
| Diesel | $3.99 | $17.41 | $34.82 |
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.