| Barcelona to Rockville (Maryland) | 4,032.22 mi (6,489.24 km) |
| Barcelona to Rockville Centre (New York) | 3,816.20 mi (6,141.58 km) |
| Barcelona to Rockwall (Texas) | 5,157.03 mi (8,299.44 km) |
| Barcelona to Rocky Mount (North Carolina) | 4,173.29 mi (6,716.27 km) |
| Barcelona to Rocky Point (New York) | 3,774.98 mi (6,075.24 km) |
| Barcelona to Rocky River (Ohio) | 4,162.63 mi (6,699.11 km) |
| Barcelona to Roessleville (New York) | 3,759.52 mi (6,050.37 km) |
| Barcelona to Rogers (Arkansas) | 4,908.54 mi (7,899.53 km) |
| Barcelona to Rogers (Minnesota) | 4,520.16 mi (7,274.50 km) |
| Barcelona to Rohnert Park (California) | 5,926.33 mi (9,537.51 km) |
| Barcelona to Rolla (Missouri) | 4,735.54 mi (7,621.11 km) |
| Barcelona to Rolling Meadows (Illinois) | 4,410.27 mi (7,097.64 km) |
| Barcelona to Roma (Texas) | 5,567.06 mi (8,959.32 km) |
| Barcelona to Rome (Georgia) | 4,586.10 mi (7,380.61 km) |
| Barcelona to Rome (New York) | 3,819.66 mi (6,147.14 km) |
