Highway 95 (Route 5M) connects Khafji on the Kuwaiti border in the north to the Ramlah border station on the Omani border in the south via Jubail, Ra's Tanura, the Dammam metropolitan area, the Salwa border station on the Qatari border and the Batha' border station with the United Arab Emirates. Highway 40 (Route 80M) connects Bahrain and Dammam via the 25 km (15 mi) King Fahd Causeway over the Persian Gulf and onward to Jeddah on the Red Sea via Riyadh, Ta'if and Makkah. Highways 605, 610, 613, 614, 615, 617 and 619, known locally by other popular names, connect the Greater Dammam area to Ra's Tanura, Jubail, the King Fahd International Airport, Abqaiq and Hofuf.