Where is Alphen Gld situated???

I mean, where exactly??

 

How far:

To Alphen Gld from:

- DFDS seaterminal Hoek of Holland: 120 km

- DFDS seaterminal Ijmuiden: 110 km

- Fastferry-port Zeebrugge (Belgium): 235 km

- Euro-Chunnel Calais (France): 330 km