| Piera to Rockville (Maryland) | 4,008.10 mi (6,450.41 km) |
| Piera to Rockville Centre (New York) | 3,792.08 mi (6,102.76 km) |
| Piera to Rockwall (Texas) | 5,133.06 mi (8,260.85 km) |
| Piera to Rocky Mount (North Carolina) | 4,149.14 mi (6,677.40 km) |
| Piera to Rocky Point (New York) | 3,750.85 mi (6,036.41 km) |
| Piera to Rocky River (Ohio) | 4,138.67 mi (6,660.55 km) |
| Piera to Roessleville (New York) | 3,735.47 mi (6,011.65 km) |
| Piera to Rogers (Arkansas) | 4,884.65 mi (7,861.09 km) |
| Piera to Rogers (Minnesota) | 4,496.93 mi (7,237.11 km) |
| Piera to Rohnert Park (California) | 5,904.65 mi (9,502.62 km) |
| Piera to Rolla (Missouri) | 4,711.66 mi (7,582.68 km) |
| Piera to Rolling Meadows (Illinois) | 4,386.52 mi (7,059.43 km) |
| Piera to Roma (Texas) | 5,542.95 mi (8,920.52 km) |
| Piera to Rome (Georgia) | 4,561.96 mi (7,341.77 km) |
| Piera to Rome (New York) | 3,795.65 mi (6,108.51 km) |
