Sample output:
Vancouver -> Toronto:
Vancouver (0) -> Calgary (1) -> Winnipeg (3) -> Toronto (4): 530.0
Vancouver (0) -> Calgary (1) -> Edmonton (2) -> Winnipeg (3) -> Toronto (4): 638.0
Vancouver (0) -> Edmonton (2) -> Winnipeg (3) -> Toronto (4): 600.0
Vancouver (0) -> Toronto (4): 350.0
Toronto -> Vancouver:
Toronto (4) -> Montreal (5) -> Vancouver (0): 540.0
Toronto (4) -> Vancouver (0): 360.0