| Siniscola to Orangevale (California) | 6,146.13 mi (9,891.25 km) |
| Siniscola to Orchards (Washington) | 5,786.72 mi (9,312.83 km) |
| Siniscola to Orcutt (California) | 6,336.03 mi (10,196.86 km) |
| Siniscola to Oregon (Ohio) | 4,583.63 mi (7,376.65 km) |
| Siniscola to Oregon (Wisconsin) | 4,781.08 mi (7,694.41 km) |
| Siniscola to Oregon City (Oregon) | 5,808.20 mi (9,347.40 km) |
| Siniscola to Orem (Utah) | 5,746.63 mi (9,248.31 km) |
| Siniscola to Orinda (California) | 6,221.58 mi (10,012.66 km) |
| Siniscola to Orland Park (Illinois) | 4,772.38 mi (7,680.41 km) |
| Siniscola to Orlando (Florida) | 5,020.10 mi (8,079.08 km) |
| Siniscola to Ormond Beach (Florida) | 4,974.48 mi (8,005.65 km) |
| Siniscola to Oro Valley (Arizona) | 6,132.75 mi (9,869.71 km) |
| Siniscola to Oroville (California) | 6,110.67 mi (9,834.17 km) |
| Siniscola to Oshkosh (Wisconsin) | 4,702.79 mi (7,568.41 km) |
| Siniscola to Oskaloosa (Iowa) | 4,981.92 mi (8,017.62 km) |
