Drive or Fly: Spearfish, SD to Fort Thompson, SD?

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 RAP–PIR. At 257 miles, driving is the only practical option.

Passengers:

Vehicle:

Find Your Vehicle (EPA fuel economy data)

Drive

Door to Door

4h 21m

Distance

257.7 mi

Total Cost

$92

CO2

104 kg

Cost Breakdown

Diesel$57

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

4h 52m

26m in the air

Air Distance

221 mi

Total Cost

$184

CO2

56 kg

Door-to-Door Timeline

Spearfish, SD → RAP 75m

Check-in & Security 90m

Flight 26m

Arrival & Baggage 30m

PIR → Fort Thompson, SD 71m

Cost Breakdown

Ticket (1 pax @ $129) $129

Rental car (1 day)$55

Airports

Spearfish, SD RAP — Rapid City Regional Airport 50 mi, ~75m drive

Fort Thompson, SD PIR — Pierre Regional Airport 47 mi, ~71m drive

No scheduled flights found

No commercial flights between RAP and PIR. 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

At a Glance

	Drive	Fly
Door-to-door time	4h 21m	4h 52m
Total cost (1 person)	$92	$184
Carbon footprint	104 kg CO₂	56 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

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 18, 2026.

Route Options

2 different routes between these cities.

Fastest

257.7 mi 4h 20m

via I 90; US 14; US 16 Truck; SD 79, I 90; US 14; SD 79, SD 47

Shortest (+48 min)

253.8 mi 5h 9m

via SD 34; SD 79, US 14; US 83; SD 34, US 14; SD 34

Decided to drive? See the full trip plan from Spearfish, SD to Fort Thompson, SD with stops, fuel costs, and turn-by-turn directions.