| Perth to Robertsville (New Jersey) | 3,271.94 mi (5,265.68 km) |
| Perth to Robinson (Texas) | 4,571.14 mi (7,356.54 km) |
| Perth to Robstown (Texas) | 4,793.54 mi (7,714.46 km) |
| Perth to Rochester (Michigan) | 3,481.81 mi (5,603.44 km) |
| Perth to Rochester (Minnesota) | 3,742.87 mi (6,023.57 km) |
| Perth to Rochester (New Hampshire) | 3,007.47 mi (4,840.05 km) |
| Perth to Rochester (New York) | 3,259.10 mi (5,245.01 km) |
| Perth to Rochester Hills (Michigan) | 3,484.20 mi (5,607.29 km) |
| Perth to Rock Hill (South Carolina) | 3,795.58 mi (6,108.40 km) |
| Perth to Rock Island (Illinois) | 3,806.88 mi (6,126.58 km) |
| Perth to Rock Springs (Wyoming) | 4,413.46 mi (7,102.78 km) |
| Perth to Rockford (Illinois) | 3,713.76 mi (5,976.72 km) |
| Perth to Rockledge (Florida) | 4,135.50 mi (6,655.44 km) |
| Perth to Rocklin (California) | 4,925.89 mi (7,927.45 km) |
| Perth to Rockport (Texas) | 4,758.91 mi (7,658.72 km) |
