| Sierning to Orangevale (California) | 5,851.89 mi (9,417.71 km) |
| Sierning to Orchards (Washington) | 5,455.71 mi (8,780.11 km) |
| Sierning to Orcutt (California) | 6,063.52 mi (9,758.30 km) |
| Sierning to Oregon (Ohio) | 4,472.11 mi (7,197.16 km) |
| Sierning to Oregon (Wisconsin) | 4,630.10 mi (7,451.42 km) |
| Sierning to Oregon City (Oregon) | 5,478.33 mi (8,816.53 km) |
| Sierning to Orem (Utah) | 5,497.09 mi (8,846.71 km) |
| Sierning to Orinda (California) | 5,925.46 mi (9,536.10 km) |
| Sierning to Orland Park (Illinois) | 4,639.21 mi (7,466.08 km) |
| Sierning to Orlando (Florida) | 5,025.62 mi (8,087.96 km) |
| Sierning to Ormond Beach (Florida) | 4,975.05 mi (8,006.57 km) |
| Sierning to Oro Valley (Arizona) | 5,930.34 mi (9,543.96 km) |
| Sierning to Oroville (California) | 5,810.97 mi (9,351.86 km) |
| Sierning to Oshkosh (Wisconsin) | 4,547.25 mi (7,318.10 km) |
| Sierning to Oskaloosa (Iowa) | 4,826.93 mi (7,768.20 km) |
