Cilegon to Semarang by ferry
Semarang lies 495 km (307 mi) east of Cilegon, in the same time zone. What the numbers say about getting there.
The sea distance is about 495 km (307 mi); at typical ferry speeds a direct crossing would take around 14 h 59 min. Whether one runs, and how often, is in the operator’s timetable.
| Cilegon | Semarang | |
|---|---|---|
| Country | Indonesia | Indonesia |
| Population | 470,378 | 1.7 million |
| Elevation | 18 m (59 ft) | 18 m (59 ft) |
| Time now | UTC+7 (Asia/Jakarta) | UTC+7 (Asia/Jakarta) |
| Port | Port of Merak | Port of Tanjung Emas |
Where to book ferries from Cilegon to Semarang
We take no bookings for these providers and hold no reservation with them. The provider you choose handles payment, confirmation, changes and refunds. How that works.
Staying in Semarang
Our booking partner lists 520 places to stay in Semarang. Of the 481 with a star rating, the largest group is 2-star (275), and 4 are five-star. Across 46 properties with at least 50 reviews, the average guest score is 8.2 out of 10. Guests have left 9,203 reviews in total.
Book a hotel in Semarang
Live rooms and prices from our booking partner, booked and paid for here. Free cancellation is marked where it applies.
Common questions
How far is Semarang from Cilegon?
495 km (307 mi) in a straight line, east of Cilegon; by road roughly 603 km (375 mi).
How long does it take to get from Cilegon to Semarang by ferry?
About 14 h 59 min, estimated from distance and typical speeds. Timetables and traffic decide the real figure.
Is there a time difference between Cilegon and Semarang?
No, both are on Asia/Jakarta at the moment.
Where can I stay in Semarang?
Our booking partner lists 520 places to stay in Semarang, bookable on this site.
Where these facts come from
- GeoNames (CC BY 4.0): population, elevation, time zone, postal codes
- Wikidata (CC0): area, sister cities, visitor numbers, heritage listings, stations and ports
- OurAirports (public domain): airports, runways
- Natural Earth (public domain): map outlines
Data compiled 14 September 2026. Hotel and hostel figures are from our booking partner’s catalogue on that date. Journey times on this page are estimates from distance, not timetables; check the operator before you rely on one.