Train vs Flight: Reading Station to Sierre/Siders

Flight is faster from Reading Station to Sierre/Siders, taking 3h 30m door-to-door versus 7h 32m for the train. However, the train produces 84% less CO2.

For the Reading Station to Sierre/Siders route (846 km straight-line), the train produces approximately 34.7 kg of CO2 per passenger, while the flight produces approximately 215.7 kg. Taking the train saves 181.0 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).

Door-to-door travel time from Reading Station to Sierre/Siders:

• Train: 7h 32m total (7h 2m journey + 30 min station check-in)
• Flight: 3h 30m total (1h flight + 2h 30min airport overhead for check-in, security, boarding, and taxi)

On this medium-haul route from Reading Station to Sierre/Siders, the flight is faster door-to-door, but the train is a greener alternative — saving 181 kg of CO2 per passenger. If your schedule allows extra travel time, the train offers a comfortable, eco-friendly journey.

The straight-line distance from Reading Station to Sierre/Siders is 846 km. The actual rail distance will be longer (typically ~1.3× the straight-line distance) due to track routing.