Drive or Fly: Signal Mountain, TN to New South Memphis, TN?
Side-by-side comparison of driving versus flying for this route. Costs, time, and trade-offs at a glance.
Driving wins
MediumNo scheduled commercial flights found for CHA–MEM. At 318 miles, driving is the only practical option.
Find Your Vehicle (EPA fuel economy data)
· · Fuel cost: $
Drive
Door to Door
6h 25m
Distance
318.8 mi
Total Cost
$105
CO2
129 kg
Cost Breakdown
Fly
Door to Door
2h 57m
32m in the air
Air Distance
266 mi
Total Cost
$186
CO2
68 kg
Door-to-Door Timeline
Cost Breakdown
Airports
No scheduled flights found
No commercial flights between CHA and MEM. Flight estimates above are theoretical.
At a Glance
| Drive | Fly | |
|---|---|---|
| Door-to-door time | 6h 25m | 2h 57m |
| Total cost (1 person) | $105 | $186 |
| Carbon footprint | 129 kg CO2 | 68 kg CO2 |
| Flexibility | High | Low |
| Luggage | Unlimited | Restricted |
| Reliability | Weather dependent | Data unavailable |
Costs are estimates. Actual flight prices vary by airline, date, and booking time. Drive costs based on OSRM routing, EIA fuel prices. Computed Apr 21, 2026.
Route Options
2 different routes between these cities.
via US 72, US 72 Alternate; AL 20, I 24
via I 40, I 24, I 840
Decided to drive? See the full trip plan from Signal Mountain, TN to New South Memphis, TN with stops, fuel costs, and turn-by-turn directions.