Drive or Fly: Knightdale, NC to Concord, NC?
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 RDU–USA. At 155 miles, driving is the only practical option.
Find Your Vehicle (EPA fuel economy data)
· · Fuel cost: $
Drive
Door to Door
3h 2m
Distance
155.1 mi
Total Cost
$69
CO2
63 kg
Cost Breakdown
Fly
Door to Door
2h 53m
15m in the air
Air Distance
121 mi
Total Cost
$125
CO2
31 kg
Door-to-Door Timeline
Cost Breakdown
Airports
No scheduled flights found
No commercial flights between RDU and USA. Flight estimates above are theoretical.
Train
Amtrak
Door to Door
3h 41m
2h 37m on rail
Total Cost
$23
CO2
7 kg
Route
Piedmont
Door-to-Door Timeline
Cost Breakdown
Estimated based on distance. Check amtrak.com for current prices.
Stations
Service
Direct
Frequency
~3/week
Bus
FlixBus
Door to Door
4h 24m
3h 20m on road
Total Cost
$15
CO2
8 kg
Route
FlixBus N2471
Door-to-Door Timeline
Cost Breakdown
Estimated based on distance. Check flixbus.com for current prices.
Stations
Service
Direct
Frequency
~7/week
At a Glance
| Drive | Fly | Train | Bus | |
|---|---|---|---|---|
| Door-to-door time | 3h 2m | 2h 53m | 3h 41m | 4h 24m |
| Total cost (1 person) | $69 | $125 | $23 | $15 |
| Carbon footprint | 63 kg CO2 | 31 kg CO2 | 7 kg CO2 | 8 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 18, 2026.
Route Options
2 different routes between these cities.
via I 85, I 85; US 70, I 540
via US 64, NC 49, NC 73
Decided to drive? See the full trip plan from Knightdale, NC to Concord, NC with stops, fuel costs, and turn-by-turn directions.