Train vs Flight: Château-Renault to Montpellier St-Roch

Train and flight are very similar in door-to-door time from Château-Renault to Montpellier St-Roch. The train takes 2h 59m and the flight takes 3h 6m. The train is the greener choice, saving 84% CO2.

For the Château-Renault to Montpellier St-Roch route (500 km straight-line), the train produces approximately 20.5 kg of CO2 per passenger, while the flight produces approximately 127.5 kg. Taking the train saves 107.0 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 Château-Renault to Montpellier St-Roch:

• Train: 2h 59m total (2h 29m journey + 30 min station check-in)
• Flight: 3h 6m total (36m flight + 2h 30min airport overhead for check-in, security, boarding, and taxi)

On this medium-haul route from Château-Renault to Montpellier St-Roch, the train is competitive with flying when you factor in airport overhead. You also save 107 kg of CO2 — equivalent to 84% fewer emissions. For travellers who value comfort, city-centre arrivals, and sustainability, train is recommended.

The straight-line distance from Château-Renault to Montpellier St-Roch is 500 km. The actual rail distance will be longer (typically ~1.3× the straight-line distance) due to track routing.