Compare Short Haul (<500 km)

Train vs Flight: Mainz Hbf to Sion

🇩🇪 Mainz Hbf → 🇨🇭 Sion · 425 km

Verdict

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

For this short-haul route from Mainz Hbf to Sion, 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 Sion, saving 91 kg of CO2 compared to flying.

Comparison

Train
Flight
Journey time 3h 37m 30m
Door-to-door

incl. check-in / airport

4h 7m

+30 min at station

3h

+2h 30min at airport

CO2 emissions

avg. estimate per passenger

17.4 kg 108.4 kg
Est. ticket price

rough estimate only

~€34 ~€51
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 91.0 kg CO2 — 84% less than flying

Train: 17.4 kg CO2 · Flight: 108.4 kg CO2 (41g/km train vs 255g/km flight, European averages incl. radiative forcing)

Train
17.4 kg
Flight
108.4 kg

Door-to-Door Breakdown

Train

Faster door-to-door
Check-in at station 30 min
Journey time 3h 37m
Total door-to-door 4h 7m

Flight

Airport overhead 2h 30 min
Flight time 30m
Total door-to-door 3h

Train tickets for this route

Mainz Hbf → Sion · full route details

View route details →

Frequently Asked Questions

Is train or flight faster from Mainz Hbf to Sion?
Train is faster door-to-door from Mainz Hbf to Sion. The train takes 4h 7m door-to-door (including 3h 37m journey + 30 min station check-in), while flying takes 3h (30m flight + 2h 30min airport overhead).
How much CO2 does the Mainz Hbf–Sion train vs flight produce?
For the Mainz Hbf to Sion route (425 km straight-line), the train produces approximately 17.4 kg of CO2 per passenger, while the flight produces approximately 108.4 kg. Taking the train saves 91.0 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 Mainz Hbf to Sion?
Door-to-door travel time from Mainz Hbf to Sion:
  • Train: 4h 7m total (3h 37m journey + 30 min station check-in)
  • Flight: 3h total (30m flight + 2h 30min airport overhead for check-in, security, boarding, and taxi)
Is the Mainz Hbf to Sion train worth it vs flying?
For this short-haul route from Mainz Hbf to Sion, 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 Sion, saving 91 kg of CO2 compared to flying.
How far is Mainz Hbf from Sion?
The straight-line distance from Mainz Hbf to Sion is 425 km. The actual rail distance will be longer (typically ~1.3× the straight-line distance) due to track routing.

Stations

Other routes from Mainz Hbf

ข้อมูลอัปเดตล่าสุด: 2026-02-27