The Osea Leisure park is closer to 9, Head Street than WHF.
If he was working there, the driving time to pick up Julie & take her to the TD bus station would be 7-8 minutes.
A taxi from Goldhanger to TD bus garage would be very cheap.
Not credible he would ask his girlfriend who had travelled to see him, to cycle with a suitcase for nearly 3 miles. When it would take him 5-10 minutes to drive her, or she could get a taxi.