Serbia and Montenegro
gas 3,177 km; oil 393 km (2004)
Singapore
gas 139 km (2004)
Slovakia
gas 6,769 km; oil 449 km (2004)
Slovenia
gas 2,526 km; oil 11 km (2004)
South Africa
condensate 100 km; gas 1,052 km; oil 847 km; refined
products 1,354 km (2004)
Spain
gas 7,306 km; oil 730 km; refined products 3,512 km (2004)
Sudan
gas 156 km; oil 2,365 km; refined products 810 km (2004)
Suriname
oil 51 km (2004)
Sweden
gas 798 km (2004)
Switzerland
gas 1,831 km; oil 94 km; refined products 7 km (2004)