How far is Montopolis, TX from Buchanan Dam, TX?
The estimated driving distance from Montopolis, TX to Buchanan Dam, TX is about 75.4 miles (121.4 km), with a travel time of about 01h 34m by car.
- This page is using an estimated road distance while the full route geometry is refreshed.
- The straight-line flight distance is about 55.9 miles (89.9 km).
- For a round trip, plan for roughly 03h 08m 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 01h 34m.
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.
City in Travis County, Texas, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Driving Route Map
Road route is being refreshed. This page currently uses an estimated driving distance.
Turn-by-Turn Driving Directions
Step-by-step road directions between Montopolis and Buchanan Dam.
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.
Chance Showers And Thunderstorms leaving Montopolis and Chance Showers And Thunderstorms near Buchanan Dam.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Montopolis to Buchanan Dam?
The road trip is about 75.4 miles (121.4 km) and usually takes 01h 34m 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?
Lago Vista is a useful midpoint, sitting about 28 miles from Montopolis and 47.5 miles from Buchanan Dam.
How much longer is the road route than the straight-line distance?
The direct path is about 55.9 miles (89.9 km), while the road route adds roughly 19.5 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 3:22 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $10.05 one way or $20.10 round trip. Estimated CO2 is about 23.6 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around Montopolis and Chance Showers And Thunderstorms near Buchanan Dam.
Stop Ideas Near Lago Vista
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 Lago Vista.
Austin
Taylor
San Marcos Station
Killeen, Texas
Flight Path Map
This map shows the direct air route between Montopolis and Buchanan Dam. Straight-line distance: 55.87 mi (89.92 km).
#1 Montopolis
This Travis County community, situated at an elevation of 469 feet, is known for its Colorado River industrial areas.
| Population | 912,791 |
| Coordinates | 30.2432700, -97.6905600 |
| Altitude | 143 |
| Country | United States |
#2 Buchanan Dam
Place in Texas
| Population | 1,519 |
| Coordinates | 30.7399000, -98.4311400 |
| Altitude | 318 |
| Country | United States |
End: Buchanan Dam (-98.43114, 30.7399)
Estimated Travel Time
Distance: 121 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 30m |
| 40 mph (64.37 km/h) | 01h 53m |
| 50 mph (80.47 km/h) | 01h 30m |
| 60 mph (96.56 km/h) | 01h 15m |
| 70 mph (112.65 km/h) | 01h 04m |
| 80 mph (129 km/h) | 00h 56m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $10.05 | $20.10 |
| Mid-grade | $4.25 | $11.31 | $22.62 |
| Premium | $4.59 | $12.21 | $24.42 |
| Diesel | $3.99 | $10.62 | $21.24 |
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 11, 2026