638 mi
12 hours 33 mins
$58 - $114
There are 522.43 miles from Smiley to Duncan in northeast direction and 638 miles (1,026.76 kilometers) by car, following the I-20 route.
Smiley and Duncan are 12 hours 33 mins far apart, if you drive non-stop .
This is the fastest route from Smiley, TX to Duncan, MS.
Smiley, TX and Duncan, MS are in the same time zone (CDT). Current time in both locations is 9:42 pm.
Share with fellow travellers any question or tips about the route from Smiley, TX to Duncan, MS:
Planning on renting a car to go from Smiley, TX to Duncan, MS? Here there are some offers to rent a car in Smiley, TX
Small
From $14
Intermediate
From $18
Full-size
From $24
SUVs
From $28
Vans
From $40
Compare rental car prices in Smiley »
A car with a fuel efficiency of MPG will need 25.64 gallons of gas to cover the route between Smiley, TX and Duncan, MS.
The estimated cost of gas to go from Smiley to Duncan is $82.15.
During the route, an average car will release 502.36 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 Smiley, TX and Duncan, MS or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 32.13176 and -94.39987, or 32º 7' 54.336" N, 94º 23' 59.532" W. This location is 319.23 miles away from Smiley, TX and Duncan, MS and it would take approximately 6 hours 16 mins to reach the halfway point from both locations.
The closest town to the halfway point is Carthage, TX, situated 328 miles from Smiley, TX and 311 miles from Duncan, MS. It would take 6 hours 26 mins to go from Smiley to Carthage and 6 hours 7 mins to go from Duncan to Carthage.
The only major city along the route is Shreveport, LA.
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Checkout the distance in miles, kilometers and nautical miles between Smiley, TX and Duncan, MS in this table:
| Distance type | Miles | Kilometers | Nautical miles |
|---|---|---|---|
| Straight line distance | 522.43 mi | 840.76 km | 453.98 nautical mi |
| Driving distance | 638 mi | 1,027.51 km | 554.81 nautical mi |
