Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 19, 2026 · Editorial standards
Drive Time
30m
Distance
19.7 mi
32 km
Drive Score
6/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$3
one way
EV Charging
Unknown
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Mount Vernon, AR
Michaela Schmidt
Johnston, AR
Md Jawadur Rahman
This short 19.7-mile drive from Mount Vernon, Arkansas, to Johnston, Arkansas, is easily manageable in about 30 minutes, making it perfect for a quick trip. Primarily utilizing US 82, US 79, and AR 344, this route is almost entirely on highways, offering a straightforward journey. With a minimal estimated fuel cost of just $3, it's an economical option for getting between these two Southeast Arkansas locations. You won't need an overnight stay; this is a simple hop that can be completed in a single day with plenty of flexibility.
| Road | Distance | Duration |
|---|---|---|
| US 82 | 13.3 mi | 15m |
| US 79 | 2.2 mi | 2m |
| AR 344 | 1.8 mi | 4m |
| Columbia Road 525 | 0.9 mi | 3m |
| Columbia Rd 36 | 0.8 mi | 3m |
| Columbia Rd 54 | 0.6 mi | 1m |
| Columbia Rd 134 | <0.1 mi | <1m |
Step-by-step road directions between Mount Vernon, AR and Johnston, AR.
Start on Columbia Rd 134
Turn right onto Columbia Rd 54
Turn sharp left onto AR 344
Turn sharp right onto US 82
Turn right onto US 79; US 82
Turn left onto US 82
Turn left onto Columbia Road 525
Turn right onto Columbia Rd 36
Arrive at destination
5 decision points cluster between mile 0 and 18 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
Turn right onto Columbia Rd 54
Navigation decision point
Turn sharp left onto AR 344
Sharp turn - reduce speed on approach
Turn sharp right onto US 82
Sharp turn - reduce speed on approach
Turn right onto US 79; US 82
Navigation decision point
Turn left onto Columbia Road 525
Navigation decision point
Regular Gas
$2.98 one way
$5.95 round trip
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.21 | $3.27 | $6.53 |
| premium | $4.56 | $3.54 | $7.07 |
| diesel | $5.61 | $4.35 | $8.70 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$3
Estimated CO2 emission: 6.9 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $2 in charging · 0 stops · 71% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 5.9 | 0 | $2.07 | $0.95 |
| Efficient EV | 4.9 | 0 | $1.72 | $0.79 |
| EV Truck/SUV | 7.9 | 0 | $2.76 | $1.26 |
Gas CO2
7 kg
EV CO2
2 kg (71% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Current conditions at both ends of the drive.
Origin
Afternoon in Mount Vernon on Sunday
Local time
12:50 PM
CDT
Current temp
87°F
Sunny
Destination
Afternoon in Johnston on Sunday
Local time
12:50 PM
CDT
Current temp
87°F
Sunny
Time zone
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
Both ends of the route are sitting at about the same temperature right now.
Road read
The weather snapshot is not static. If you are leaving later, give both cities one more quick forecast check before departure.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
Expect a highway-focused experience for the vast majority of this drive, with a 95% highway share. The road will feel familiar and efficient, with the longest uninterrupted stretch covering 13.3 miles on US 82. This segment offers a consistent pace, allowing you to cover ground steadily. While primarily highway, the inclusion of US 79 and AR 344 might introduce slight variations in the road's character as you transition between them, though the overall feel remains one of smooth, direct travel.
This is a straightforward highway drive that stays mostly on US 82 and US 79. There are only a few real navigation decisions along the way. The trickiest moment comes early in the drive near Columbia Rd 54.
Easy - simple navigation with a manageable amount of wheel time
Balances navigation complexity with total wheel time.
This is a straightforward 30m drive. You will face about 7 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
The main spots that need attention: near the start (Columbia Rd 54): Navigation decision point; at 0.6 miles (AR 344): Sharp turn - reduce speed on approach; at 2.4 miles (US 82): Sharp turn - reduce speed on approach.
Weekend Trip
Doable as a same-day drive at 30m. Total distance: 19.7 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
30m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (95%). Straightforward navigation.
Compiled by the US Trip Planner planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, and EIA for fuel prices. See our methodology for refresh cadence and limitations.
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