| Portogruaro to Reidsville (North Carolina) | 4,588.79 mi (7,384.94 km) |
| Portogruaro to Reisterstown (Maryland) | 4,331.65 mi (6,971.12 km) |
| Portogruaro to Rendon (Texas) | 5,484.70 mi (8,826.77 km) |
| Portogruaro to Reno (Nevada) | 5,854.37 mi (9,421.71 km) |
| Portogruaro to Renton (Washington) | 5,442.27 mi (8,758.48 km) |
| Portogruaro to Republic (Missouri) | 5,107.45 mi (8,219.64 km) |
| Portogruaro to Reston (Virginia) | 4,375.68 mi (7,041.97 km) |
| Portogruaro to Revere (Massachusetts) | 3,966.20 mi (6,382.98 km) |
| Portogruaro to Rexburg (Idaho) | 5,379.30 mi (8,657.14 km) |
| Portogruaro to Reynoldsburg (Ohio) | 4,555.21 mi (7,330.91 km) |
| Portogruaro to Rialto (California) | 6,102.91 mi (9,821.69 km) |
| Portogruaro to Richardson (Texas) | 5,444.11 mi (8,761.45 km) |
| Portogruaro to Richfield (Minnesota) | 4,724.32 mi (7,603.06 km) |
| Portogruaro to Richfield (Wisconsin) | 4,617.90 mi (7,431.79 km) |
| Portogruaro to Richland (Washington) | 5,442.61 mi (8,759.03 km) |
