| Barcelona to Red Bank (New Jersey) | 3,846.33 mi (6,190.07 km) |
| Barcelona to Red Bank (Tennessee) | 4,557.73 mi (7,334.96 km) |
| Barcelona to Red Bluff (California) | 5,812.25 mi (9,353.91 km) |
| Barcelona to Red Hill (South Carolina) | 4,312.37 mi (6,940.09 km) |
| Barcelona to Red Oak (Texas) | 5,190.13 mi (8,352.71 km) |
| Barcelona to Red Wing (Minnesota) | 4,504.70 mi (7,249.62 km) |
| Barcelona to Redan (Georgia) | 4,559.05 mi (7,337.09 km) |
| Barcelona to Redding (California) | 5,794.85 mi (9,325.92 km) |
| Barcelona to Redland (Maryland) | 4,030.07 mi (6,485.77 km) |
| Barcelona to Redlands (California) | 5,959.01 mi (9,590.09 km) |
| Barcelona to Redmond (Oregon) | 5,558.51 mi (8,945.56 km) |
| Barcelona to Redmond (Washington) | 5,404.60 mi (8,697.86 km) |
| Barcelona to Redondo Beach (California) | 6,014.14 mi (9,678.82 km) |
| Barcelona to Redwood City (California) | 5,956.32 mi (9,585.78 km) |
| Barcelona to Reedley (California) | 5,908.14 mi (9,508.23 km) |
