| Roura to Orangevale (California) | 4,879.91 mi (7,853.46 km) |
| Roura to Orchards (Washington) | 5,033.68 mi (8,100.92 km) |
| Roura to Orcutt (California) | 4,793.45 mi (7,714.31 km) |
| Roura to Oregon (Ohio) | 3,190.67 mi (5,134.89 km) |
| Roura to Oregon (Wisconsin) | 3,476.73 mi (5,595.26 km) |
| Roura to Oregon City (Oregon) | 5,032.03 mi (8,098.27 km) |
| Roura to Orem (Utah) | 4,412.15 mi (7,100.67 km) |
| Roura to Orinda (California) | 4,922.17 mi (7,921.47 km) |
| Roura to Orland Park (Illinois) | 3,358.71 mi (5,405.32 km) |
| Roura to Orlando (Florida) | 2,511.32 mi (4,041.59 km) |
| Roura to Ormond Beach (Florida) | 2,533.11 mi (4,076.64 km) |
| Roura to Oro Valley (Arizona) | 4,227.72 mi (6,803.86 km) |
| Roura to Oroville (California) | 4,907.55 mi (7,897.94 km) |
| Roura to Oshkosh (Wisconsin) | 3,492.95 mi (5,621.35 km) |
| Roura to Oskaloosa (Iowa) | 3,543.64 mi (5,702.93 km) |
