| Perth to Ridgeland (Mississippi) | 4,266.41 mi (6,866.13 km) |
| Perth to Ridgewood (New Jersey) | 3,234.06 mi (5,204.72 km) |
| Perth to Rifle (Colorado) | 4,482.97 mi (7,214.65 km) |
| Perth to Rincon (Georgia) | 3,942.10 mi (6,344.20 km) |
| Perth to Ringwood (New Jersey) | 3,234.12 mi (5,204.82 km) |
| Perth to Río Grande (Puerto Rico) | 4,118.59 mi (6,628.24 km) |
| Perth to Rio Grande City (Texas) | 4,914.20 mi (7,908.64 km) |
| Perth to Rio Linda (California) | 4,938.35 mi (7,947.51 km) |
| Perth to Rio Rancho (New Mexico) | 4,686.08 mi (7,541.52 km) |
| Perth to Rio Rico (Arizona) | 5,042.11 mi (8,114.48 km) |
| Perth to Ripon (California) | 4,985.68 mi (8,023.68 km) |
| Perth to River Edge (New Jersey) | 3,233.96 mi (5,204.55 km) |
| Perth to River Falls (Wisconsin) | 3,705.26 mi (5,963.04 km) |
| Perth to River Forest (Illinois) | 3,688.36 mi (5,935.85 km) |
| Perth to River Grove (Illinois) | 3,687.55 mi (5,934.53 km) |
