Fuel stations Pince → Koper is a 290 km transit route along the A5/A1/A2 and takes about ~2 h 45 min. The cheapest fill-up comes from leaving the motorway — for example at Murska Sobota — where regulated prices apply.
Pince (meja) — 0 km
Murska Sobota — 10 km
Maribor — 65 km
Celje — 115 km
Ljubljana — 195 km
Postojna — 240 km
Koper — 290 km
The distance via A5/A1/A2 motorways is approximately 290 km, the drive takes about 2 hours 45 minutes.
We recommend a stop in Celje or Ljubljana — both cities have many stations with good prices.
Yes, petrol 95 in Slovenia is typically 0.05–0.10 €/L cheaper. Refuel upon entering Slovenia.