Drive or Fly: Kent, IN to Portage, IN?

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 SDF–GYY. At 248 miles, driving is the only practical option.

Passengers:

Vehicle:

Find Your Vehicle (EPA fuel economy data)

Drive

Door to Door

4h 52m

Distance

248 mi

Total Cost

$90

CO2

100 kg

Cost Breakdown

Diesel$55

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 46m

26m in the air

Air Distance

214 mi

Total Cost

$184

CO2

55 kg

Door-to-Door Timeline

Kent, IN → SDF 61m

Check-in & Security 90m

Flight 26m

Arrival & Baggage 30m

GYY → Portage, IN 19m

Cost Breakdown

Ticket (1 pax @ $129) $129

Rental car (1 day)$55

Airports

Kent, IN SDF — Louisville Muhammad Ali International Airport 41 mi, ~61m drive

Portage, IN GYY — Gary/Chicago International Airport 13 mi, ~19m drive

No scheduled flights found

No commercial flights between SDF and GYY. 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

− May need a rental car at destination

− Luggage fees and restrictions

− Less flexibility for stops along the way

Train

Amtrak

Door to Door

10h 10m

7h 33m on rail

Total Cost

$46

CO2

13 kg

Route

Cardinal

Door-to-Door Timeline

Kent, IN → Cincinnati Union Terminal 90m

Boarding 30m

Train ride 453m

Arrival 10m

Dyer Amtrak → Portage, IN 27m

Cost Breakdown

Ticket (1 pax @ $46) $46

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

Stations

From Cincinnati Union Terminal 60 mi, ~90m drive

To Dyer Amtrak 18 mi, ~27m drive

Service

Direct

Frequency

~5/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 5 trips per week

− Amtrak delays can be unpredictable

− Need transportation to/from station

− Less flexibility than driving

Bus

FlixBus

Door to Door

7h 32m

6h on road

Total Cost

$27

CO2

14 kg

Route

Greyhound US0100

Door-to-Door Timeline

Kent, IN → Louisville Bus Station (LUD6) 54m

Boarding 15m

Bus ride 360m

Arrival 10m

Gary Bus Station (GRY6) → Portage, IN 13m

Cost Breakdown

Ticket (1 pax @ $27) $27

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

Stations

From LUD6 — Louisville Bus Station 36 mi, ~54m drive

To GRY6 — Gary Bus Station 9 mi, ~13m drive

Service

Direct

Frequency

~7/week

+ Usually the cheapest option

+ Wi-Fi and power outlets on board

+ No driving fatigue — relax or work en route

+ Much lower carbon footprint than driving or flying

− Limited schedule — about 7 trips per week

− Travel time longer than driving

− Need transportation to/from station

− Less flexibility than driving

At a Glance

	Drive	Fly	Train	Bus
Door-to-door time	4h 52m	3h 46m	10h 10m	7h 32m
Total cost (1 person)	$90	$184	$46	$27
Carbon footprint	100 kg CO₂	55 kg CO₂	13 kg CO₂	14 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, FlixBus 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 16, 2026.

Route Options

2 different routes between these cities.

Fastest

248 mi 4h 52m

via I 65, SR 256, Central Avenue

Alternative (+47 min)

268.3 mi 5h 39m

via US 31, I 65, US 30

Decided to drive? See the full trip plan from Kent, IN to Portage, IN with stops, fuel costs, and turn-by-turn directions.