| Opovo to Orangevale (California) | 6,179.07 mi (9,944.26 km) |
| Opovo to Orchards (Washington) | 5,772.06 mi (9,289.24 km) |
| Opovo to Orcutt (California) | 6,396.18 mi (10,293.65 km) |
| Opovo to Oregon (Ohio) | 4,828.59 mi (7,770.87 km) |
| Opovo to Oregon (Wisconsin) | 4,984.73 mi (8,022.15 km) |
| Opovo to Oregon City (Oregon) | 5,795.02 mi (9,326.19 km) |
| Opovo to Orem (Utah) | 5,836.57 mi (9,393.05 km) |
| Opovo to Orinda (California) | 6,251.87 mi (10,061.41 km) |
| Opovo to Orland Park (Illinois) | 4,994.88 mi (8,038.49 km) |
| Opovo to Orlando (Florida) | 5,377.51 mi (8,654.26 km) |
| Opovo to Ormond Beach (Florida) | 5,327.38 mi (8,573.59 km) |
| Opovo to Oro Valley (Arizona) | 6,277.71 mi (10,103.00 km) |
| Opovo to Oroville (California) | 6,136.63 mi (9,875.96 km) |
| Opovo to Oshkosh (Wisconsin) | 4,901.63 mi (7,888.41 km) |
| Opovo to Oskaloosa (Iowa) | 5,181.11 mi (8,338.18 km) |
