Drive or Fly: Potomac, MD to Frederick, MD?

Side-by-side comparison of driving versus flying for this route. Costs, time, and trade-offs at a glance.

Driving wins

Medium

No scheduled commercial flights found for IAD–HGR. At 33 miles, driving is the only practical option.

Passengers:

Vehicle:

Drive

Door to Door

48m

Distance

33 mi

Total Cost

$42

CO2

13 kg

Cost Breakdown

Diesel$7

Hotel (1 room, 0 nights) $0

Meals (1 pax, 1 day) $35

+ No luggage restrictions or TSA lines

+ Comfortable one-day drive

+ Stop anywhere along the route

+ Have your own car at the destination

+ Likely faster door-to-door than flying

− Wear and tear on vehicle

− Fuel price fluctuations

Plan the drive

Fly

Door to Door

3h 5m

4m in the air

Air Distance

29 mi

Total Cost

$121

CO2

8 kg

Door-to-Door Timeline

Potomac, MD → IAD 21m

Check-in & Security 90m

Flight 4m

Arrival & Baggage 30m

HGR → Frederick, MD 40m

Cost Breakdown

Ticket (1 pax @ $121) $121

Airports

Potomac, MD IAD — Washington Dulles International Airport 14 mi, ~21m drive

Frederick, MD HGR — Hagerstown Regional Richard A Henson Field 27 mi, ~40m drive

No scheduled flights found

No commercial flights between IAD and HGR. Flight estimates above are theoretical.

+ Less physical fatigue

+ Predictable arrival time

− Airport security and check-in overhead

− No scheduled commercial flights found for this route

− Luggage fees and restrictions

− Less flexibility for stops along the way

Train

Amtrak

Door to Door

2h 4m

47m on rail

Total Cost

CO2

2 kg

Route

Floridian

Door-to-Door Timeline

Potomac, MD → Rockville Amtrak 10m

Boarding 30m

Train ride 47m

Arrival 10m

Harpers Ferry Amtrak → Frederick, MD 27m

Cost Breakdown

Ticket (1 pax @ $7) $7

Estimated based on distance. Check amtrak.com for current prices.

Stations

From Rockville Amtrak 6 mi, ~10m drive

To Harpers Ferry Amtrak 18 mi, ~27m drive

Service

Direct

Frequency

~2/week

+ Spacious seating with legroom and power outlets

+ Walk around freely during the trip

+ No driving fatigue — relax or work en route

+ Much lower carbon footprint than driving or flying

− Limited schedule — about 2 trips per week

− Amtrak delays can be unpredictable

− Need transportation to/from station

− Less flexibility than driving

At a Glance

	Drive	Fly	Train
Door-to-door time	48m	3h 5m	2h 4m
Total cost (1 person)	$42	$121	$7
Carbon footprint	13 kg CO₂	8 kg CO₂	2 kg CO₂
Flexibility	High	Low
Luggage	Unlimited	Restricted
Reliability	Weather dependent	Data unavailable

Drive data: OSRM routing, EIA fuel prices

Flight data: Statistical estimate

Airports: OurAirports

Transit: Amtrak GTFS — fares estimated

Confidence: Medium — airports identified, fares estimated

Costs are estimates. Actual flight prices vary by airline, date, and booking time. Drive costs based on OSRM routing, EIA fuel prices. Computed Apr 13, 2026.

Decided to drive? See the full trip plan from Potomac, MD to Frederick, MD with stops, fuel costs, and turn-by-turn directions.