Drive or Fly: Union City, TN to Knoxville, 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 PAH–TYS. At 335 miles, driving is the only practical option.
Find Your Vehicle (EPA fuel economy data)
· · Fuel cost: $
Drive
Door to Door
6h 32m
Distance
335.2 mi
Total Cost
$109
CO2
135 kg
Cost Breakdown
Fly
Door to Door
4h 2m
35m in the air
Air Distance
288 mi
Total Cost
$187
CO2
73 kg
Door-to-Door Timeline
Cost Breakdown
Airports
No scheduled flights found
No commercial flights between PAH and TYS. Flight estimates above are theoretical.
At a Glance
| Drive | Fly | |
|---|---|---|
| Door-to-door time | 6h 32m | 4h 2m |
| Total cost (1 person) | $109 | $187 |
| Carbon footprint | 135 kg CO2 | 73 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 19, 2026.
Decided to drive? See the full trip plan from Union City, TN to Knoxville, TN with stops, fuel costs, and turn-by-turn directions.