Compare Short Haul (<500 km)

Train vs Flight: St-Louis to Clermont-Ferrand

Q: Is train or flight faster from St-Louis to Clermont-Ferrand?

Train is faster door-to-door from St-Louis to Clermont-Ferrand. The train takes 2h 30m door-to-door (including 2h journey + 30 min station check-in), while flying takes 2h 58m (including 28m flight + 2.5 hours at the airport).

Q: How much CO2 does the St-Louis-Clermont-Ferrand train vs flight produce?

For the St-Louis to Clermont-Ferrand route (395 km straight-line), the train produces approximately 16.2 kg of CO2 per passenger, while the flight produces approximately 100.7 kg. Taking the train saves 84.5 kg of CO2 — a 84% reduction. These are average estimates based on European averages (train: 41g CO2/km, flight: 255g CO2/km incl. radiative forcing).

Q: What is the door-to-door travel time for train vs flight St-Louis to Clermont-Ferrand?

Door-to-door travel time from St-Louis to Clermont-Ferrand: Train takes 2h 30m total (2h journey + 30 min station check-in). Flight takes 2h 58m total (28m flight + 2.5 hours airport overhead for check-in, security, boarding, and taxi).

Q: Is the St-Louis to Clermont-Ferrand train worth it vs flying?

For this short-haul route from St-Louis to Clermont-Ferrand, train is the clear winner. Airport check-in, security, and boarding add over 2.5 hours to your journey. The train departs from the city centre and arrives directly in the heart of Clermont-Ferrand, saving 84 kg of CO2 compared to flying.

Q: How far is St-Louis from Clermont-Ferrand?

The straight-line distance from St-Louis to Clermont-Ferrand is 395 km (395 km). The actual rail distance will be longer due to track routing.

🇫🇷 St-Louis → 🇫🇷 Clermont-Ferrand · 395 km

Verdict

Train wins door-to-door on this short route — airport overhead makes flying impractical.

For this short-haul route from St-Louis to Clermont-Ferrand, train is the clear winner. Airport check-in, security, and boarding add over 2.5 hours to your journey. The train departs from the city centre and arrives directly in the heart of Clermont-Ferrand, saving 84 kg of CO2 compared to flying.

Comparison

	Train ✓	Flight
Journey time	2h	28m
Door-to-door incl. check-in / airport	2h 30m +30 min at station	2h 58m +2h 30min at airport
CO2 emissions avg. estimate per passenger	16.2 kg	100.7 kg
Est. ticket price rough estimate only	~€32	~€47
City centre arrival	Central station	Airport (outside city)

* Price and CO2 figures are rough average estimates. Actual values vary by booking class, date, operator, and energy mix. Journey times are based on existing route data or standard speed assumptions.

CO2 Savings

Save 84.5 kg CO2 — 84% less than flying

Train: 16.2 kg CO2 · Flight: 100.7 kg CO2 (41g/km train vs 255g/km flight, European averages incl. radiative forcing)

Train

16.2 kg

Flight

100.7 kg

Door-to-Door Breakdown

Train

Faster door-to-door

Check-in at station 30 min

Journey time 2h

Total door-to-door 2h 30m

Flight

Airport overhead 2h 30 min

Flight time 28m

Total door-to-door 2h 58m

Train tickets for this route

St-Louis → Clermont-Ferrand · full route details

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Frequently Asked Questions

Is train or flight faster from St-Louis to Clermont-Ferrand?

Train is faster door-to-door from St-Louis to Clermont-Ferrand. The train takes 2h 30m door-to-door (including 2h journey + 30 min station check-in), while flying takes 2h 58m (28m flight + 2h 30min airport overhead).

How much CO2 does the St-Louis–Clermont-Ferrand train vs flight produce?

For the St-Louis to Clermont-Ferrand route (395 km straight-line), the train produces approximately 16.2 kg of CO2 per passenger, while the flight produces approximately 100.7 kg. Taking the train saves 84.5 kg of CO2 — a 84% reduction. These are average estimates based on European averages (train: 41g CO2/km, flight: 255g CO2/km including radiative forcing).

What is the door-to-door travel time for train vs flight St-Louis to Clermont-Ferrand?

Door-to-door travel time from St-Louis to Clermont-Ferrand:

Train: 2h 30m total (2h journey + 30 min station check-in)
Flight: 2h 58m total (28m flight + 2h 30min airport overhead for check-in, security, boarding, and taxi)

Is the St-Louis to Clermont-Ferrand train worth it vs flying?

How far is St-Louis from Clermont-Ferrand?

The straight-line distance from St-Louis to Clermont-Ferrand is 395 km. The actual rail distance will be longer (typically ~1.3× the straight-line distance) due to track routing.