| Portogruaro to Ridgeland (Mississippi) | 5,209.73 mi (8,384.24 km) |
| Portogruaro to Ridgewood (New Jersey) | 4,154.36 mi (6,685.80 km) |
| Portogruaro to Rifle (Colorado) | 5,492.24 mi (8,838.91 km) |
| Portogruaro to Rincon (Georgia) | 4,840.44 mi (7,789.93 km) |
| Portogruaro to Ringwood (New Jersey) | 4,156.03 mi (6,688.48 km) |
| Portogruaro to Río Grande (Puerto Rico) | 4,777.60 mi (7,688.80 km) |
| Portogruaro to Rio Grande City (Texas) | 5,869.91 mi (9,446.70 km) |
| Portogruaro to Rio Linda (California) | 5,949.06 mi (9,574.08 km) |
| Portogruaro to Rio Rancho (New Mexico) | 5,688.54 mi (9,154.83 km) |
| Portogruaro to Rio Rico (Arizona) | 6,046.33 mi (9,730.63 km) |
| Portogruaro to Ripon (California) | 5,997.13 mi (9,651.45 km) |
| Portogruaro to River Edge (New Jersey) | 4,153.53 mi (6,684.47 km) |
| Portogruaro to River Falls (Wisconsin) | 4,701.76 mi (7,566.75 km) |
| Portogruaro to River Forest (Illinois) | 4,664.01 mi (7,505.99 km) |
| Portogruaro to River Grove (Illinois) | 4,663.35 mi (7,504.94 km) |
