| Portogruaro to Rockville (Maryland) | 4,361.91 mi (7,019.82 km) |
| Portogruaro to Rockville Centre (New York) | 4,147.51 mi (6,674.78 km) |
| Portogruaro to Rockwall (Texas) | 5,436.34 mi (8,748.95 km) |
| Portogruaro to Rocky Mount (North Carolina) | 4,525.70 mi (7,283.41 km) |
| Portogruaro to Rocky Point (New York) | 4,106.83 mi (6,609.30 km) |
| Portogruaro to Rocky River (Ohio) | 4,450.26 mi (7,162.00 km) |
| Portogruaro to Roessleville (New York) | 4,071.39 mi (6,552.27 km) |
| Portogruaro to Rogers (Arkansas) | 5,175.88 mi (8,329.77 km) |
| Portogruaro to Rogers (Minnesota) | 4,719.84 mi (7,595.85 km) |
| Portogruaro to Rohnert Park (California) | 6,003.02 mi (9,660.92 km) |
| Portogruaro to Rolla (Missouri) | 5,003.28 mi (8,052.00 km) |
| Portogruaro to Rolling Meadows (Illinois) | 4,663.51 mi (7,505.20 km) |
| Portogruaro to Roma (Texas) | 5,875.46 mi (9,455.63 km) |
| Portogruaro to Rome (Georgia) | 4,915.83 mi (7,911.27 km) |
| Portogruaro to Rome (New York) | 4,119.41 mi (6,629.56 km) |
