what are the lengths of the lines listed?
higashiyama line, 20.6 km (12.8 mi), meijo line, 8.9 km (5.5 mi), meijo line, 17.5 km (10.9 mi), meiko line, 6.0 km (3.7 mi), meitetsu inuyama line, 21.4 km (13.3 mi), tsurumai line, 20.4 km (12.7 mi), meitetsu toyota line, 15.2 km (9.4 mi), meitetsu mikawa line, 1.4 km (0.87 mi), sakura-dori line, 19.1 km (11.9 mi), meitetsu komaki line, 18.3 km (11.4 mi), meitetsu komaki line, 2.3 km (1.4 mi), kamiiida line, 0.8 km (0.50 mi)
which line is longest?
meitetsu inuyama line