From Coleraine station train to Belfast Central Train Station then train to Sydenham. 2 h 1 min 30. From Coleraine Bus Center bus to Great Victoria Street then train to Sydenham. 2 h 17 min 10. From Coleraine drive to Belfast City Airport (BHD). 1 h 8 min 24. From Coleraine towncar to Belfast City Airport. 1 h 8 min 232.