What are the most popular routes to İzmit?
| Istanbul Europe - İzmit | Average price£9 | Average duration2h 50m | Daily departures127 | |
| Istanbul Europe - İzmit | Average price£7 | Average duration2h 15m | Daily departures3 | |
| Istanbul Asia - İzmit | Average price£7 | Average duration1h 15m | Daily departures68 | |
| Ankara - İzmit | Average price£12 | Average duration5h | Daily departures32 | |
| Adana - İzmit | Average price£25 | Average duration11h 35m | Daily departures10 | |
