| Ericeira to Orangevale (California) | 5,551.65 mi (8,934.51 km) |
| Ericeira to Orchards (Washington) | 5,272.25 mi (8,484.87 km) |
| Ericeira to Orcutt (California) | 5,699.02 mi (9,171.68 km) |
| Ericeira to Oregon (Ohio) | 3,779.13 mi (6,081.92 km) |
| Ericeira to Oregon (Wisconsin) | 4,019.18 mi (6,468.25 km) |
| Ericeira to Oregon City (Oregon) | 5,290.71 mi (8,514.57 km) |
| Ericeira to Orem (Utah) | 5,092.69 mi (8,195.90 km) |
| Ericeira to Orinda (California) | 5,627.71 mi (9,056.92 km) |
| Ericeira to Orland Park (Illinois) | 3,988.28 mi (6,418.52 km) |
| Ericeira to Orlando (Florida) | 4,090.76 mi (6,583.45 km) |
| Ericeira to Ormond Beach (Florida) | 4,049.76 mi (6,517.47 km) |
| Ericeira to Oro Valley (Arizona) | 5,398.61 mi (8,688.22 km) |
| Ericeira to Oroville (California) | 5,526.86 mi (8,894.63 km) |
| Ericeira to Oshkosh (Wisconsin) | 3,949.40 mi (6,355.94 km) |
| Ericeira to Oskaloosa (Iowa) | 4,218.83 mi (6,789.55 km) |
