| Perth to Romeoville (Illinois) | 3,711.51 mi (5,973.10 km) |
| Perth to Romulus (Michigan) | 3,513.35 mi (5,654.19 km) |
| Perth to Ronkonkoma (New York) | 3,205.67 mi (5,159.03 km) |
| Perth to Roosevelt (New York) | 3,228.86 mi (5,196.35 km) |
| Perth to Rosamond (California) | 5,071.09 mi (8,161.13 km) |
| Perth to Rosaryville (Maryland) | 3,444.02 mi (5,542.62 km) |
| Perth to Roscoe (Illinois) | 3,703.46 mi (5,960.14 km) |
| Perth to Rose Hill (Virginia) | 3,453.56 mi (5,557.97 km) |
| Perth to Roseburg (Oregon) | 4,721.24 mi (7,598.10 km) |
| Perth to Rosedale (California) | 5,069.51 mi (8,158.60 km) |
| Perth to Rosedale (Maryland) | 3,404.39 mi (5,478.84 km) |
| Perth to Roselle (Illinois) | 3,693.45 mi (5,944.04 km) |
| Perth to Roselle (New Jersey) | 3,255.48 mi (5,239.18 km) |
| Perth to Roselle Park (New Jersey) | 3,255.12 mi (5,238.60 km) |
| Perth to Rosemead (California) | 5,114.02 mi (8,230.22 km) |
