1,222 mi
21 hours 52 mins
$114 - $221
There are 1,012.12 miles from Herreid to Flat in south direction and 1,222 miles (1,966.62 kilometers) by car, following the I-90 route.
Herreid and Flat are 21 hours 52 mins far apart, if you drive non-stop .
This is the fastest route from Herreid, SD to Flat, TX.
Herreid, SD and Flat, TX are in the same time zone (CDT). Current time in both locations is 5:34 pm.
Share with fellow travellers any question or tips about the route from Herreid, SD to Flat, TX:
Planning on renting a car to go from Herreid, SD to Flat, TX? Here there are some offers to rent a car in Herreid, SD
Small
From $14
Intermediate
From $18
Full-size
From $24
SUVs
From $28
Vans
From $40
Compare rental car prices in Herreid »
A car with a fuel efficiency of MPG will need 49.09 gallons of gas to cover the route between Herreid, SD and Flat, TX.
The estimated cost of gas to go from Herreid to Flat is $160.12.
During the route, an average car will release 961.69 pounds of CO2 to the atmosphere. The carbon footprint would be 0.79 pounds of CO2 per mile.
If you want to meet halfway between Herreid, SD and Flat, TX or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 39.817062 and -97.642795, or 39º 49' 1.4232" N, 97º 38' 34.062" W. This location is 611.12 miles away from Herreid, SD and Flat, TX and it would take approximately 10 hours 56 mins to reach the halfway point from both locations.
The closest town to the halfway point is Belleville, KS, situated 583 miles from Herreid, SD and 640 miles from Flat, TX. It would take 10 hours 36 mins to go from Herreid to Belleville and 11 hours 19 mins to go from Flat to Belleville.
Some major cities along the route include Fort Worth, TX, Norman, OK, Waco, TX, Denton, TX, Wichita, KS and Oklahoma City, OK.
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Checkout the distance in miles, kilometers and nautical miles between Herreid, SD and Flat, TX in this table:
| Distance type | Miles | Kilometers | Nautical miles |
|---|---|---|---|
| Straight line distance | 1,012.12 mi | 1,628.84 km | 879.51 nautical mi |
| Driving distance | 1,222 mi | 1,967 km | 1,062.10 nautical mi |
