| Piacenza to Ridgeland (Mississippi) | 5,105.37 mi (8,216.31 km) |
| Piacenza to Ridgewood (New Jersey) | 4,046.02 mi (6,511.43 km) |
| Piacenza to Rifle (Colorado) | 5,424.69 mi (8,730.20 km) |
| Piacenza to Rincon (Georgia) | 4,724.94 mi (7,604.05 km) |
| Piacenza to Ringwood (New Jersey) | 4,048.09 mi (6,514.78 km) |
| Piacenza to Río Grande (Puerto Rico) | 4,629.93 mi (7,451.15 km) |
| Piacenza to Rio Grande City (Texas) | 5,768.45 mi (9,283.43 km) |
| Piacenza to Rio Linda (California) | 5,903.11 mi (9,500.14 km) |
| Piacenza to Rio Rancho (New Mexico) | 5,612.57 mi (9,032.56 km) |
| Piacenza to Rio Rico (Arizona) | 5,971.66 mi (9,610.45 km) |
| Piacenza to Ripon (California) | 5,949.31 mi (9,574.49 km) |
| Piacenza to River Edge (New Jersey) | 4,045.00 mi (6,509.80 km) |
| Piacenza to River Falls (Wisconsin) | 4,622.38 mi (7,439.00 km) |
| Piacenza to River Forest (Illinois) | 4,572.98 mi (7,359.50 km) |
| Piacenza to River Grove (Illinois) | 4,572.40 mi (7,358.57 km) |
