Castelo Branco: where is it worth filling up in Spain?

Castelo Branco: in none of the 9 places does a 50-litre fill-up in Spain save €10 once the detour is paid for; at best +€6.35 from Penamacor (prices of 3 November 2026).

Official prices: Portugal (DGEG) as of 3 November 2026, Spain (MITECO) as of 3 November 2026 · Methodology

Municipality	Diesel	Petrol 95	First station
Penamacor Small gain	+€3.17	+€6.35	37 min
Belmonte Not worth it	−€11.73	−€10.00	47 min
Castelo Branco Too far	—	—	90 min
Covilhã Too far	—	—	65 min
Fundão Too far	—	—	69 min
Idanha-a-Nova Too far	—	—	70 min
Oleiros Too far	—	—	117 min
Proença-a-Nova Too far	—	—	91 min
Vila Velha de Ródão Too far	—	—	69 min

Spanish stations near the border

Where	Stations	Diesel	Petrol 95	Places
Fuentes de Oñoro	4	€1.979/L	€1.769/L	8