Route 730 is a 14.9-kilometre (9.3 mi) long mostly north–south secondary highway in the south-western portion of New Brunswick, Canada. Most of the route is in Charlotte County. The route starts at Route 3 in , where it travels west to Route 745 south of . Continuing, the road travels through a mostly forested area to the northern terminus of Route 740 in the community of . Here, the road turns southwest as it passes through as it crosses Route 735. From here, the route passes by before ending in close to the northern terminus of Route 725.