| Piera to Red Bank (New Jersey) | 3,822.21 mi (6,151.25 km) |
| Piera to Red Bank (Tennessee) | 4,533.61 mi (7,296.14 km) |
| Piera to Red Bluff (California) | 5,790.73 mi (9,319.27 km) |
| Piera to Red Hill (South Carolina) | 4,288.23 mi (6,901.24 km) |
| Piera to Red Oak (Texas) | 5,166.15 mi (8,314.11 km) |
| Piera to Red Wing (Minnesota) | 4,481.36 mi (7,212.05 km) |
| Piera to Redan (Georgia) | 4,534.91 mi (7,298.23 km) |
| Piera to Redding (California) | 5,773.39 mi (9,291.38 km) |
| Piera to Redland (Maryland) | 4,005.94 mi (6,446.94 km) |
| Piera to Redlands (California) | 5,936.30 mi (9,553.56 km) |
| Piera to Redmond (Oregon) | 5,537.38 mi (8,911.56 km) |
| Piera to Redmond (Washington) | 5,384.05 mi (8,664.79 km) |
| Piera to Redondo Beach (California) | 5,991.53 mi (9,642.43 km) |
| Piera to Redwood City (California) | 5,934.49 mi (9,550.64 km) |
| Piera to Reedley (California) | 5,885.91 mi (9,472.46 km) |
