| Siverek to Orangevale (California) | 7,012.41 mi (11,285.39 km) |
| Siverek to Orchards (Washington) | 6,562.33 mi (10,561.06 km) |
| Siverek to Orcutt (California) | 7,253.83 mi (11,673.90 km) |
| Siverek to Oregon (Ohio) | 5,872.39 mi (9,450.71 km) |
| Siverek to Oregon (Wisconsin) | 6,000.95 mi (9,657.60 km) |
| Siverek to Oregon City (Oregon) | 6,586.32 mi (10,599.66 km) |
| Siverek to Orem (Utah) | 6,740.73 mi (10,848.16 km) |
| Siverek to Orinda (California) | 7,079.89 mi (11,393.98 km) |
| Siverek to Orland Park (Illinois) | 6,023.31 mi (9,693.58 km) |
| Siverek to Orlando (Florida) | 6,465.76 mi (10,405.63 km) |
| Siverek to Ormond Beach (Florida) | 6,414.54 mi (10,323.21 km) |
| Siverek to Oro Valley (Arizona) | 7,224.82 mi (11,627.23 km) |
| Siverek to Oroville (California) | 6,963.24 mi (11,206.25 km) |
| Siverek to Oshkosh (Wisconsin) | 5,915.78 mi (9,520.53 km) |
| Siverek to Oskaloosa (Iowa) | 6,191.44 mi (9,964.16 km) |
