| Ritterhude to Orangevale (California) | 5,421.62 mi (8,725.25 km) |
| Ritterhude to Orchards (Washington) | 5,026.04 mi (8,088.63 km) |
| Ritterhude to Orcutt (California) | 5,633.94 mi (9,066.94 km) |
| Ritterhude to Oregon (Ohio) | 4,076.83 mi (6,561.03 km) |
| Ritterhude to Oregon (Wisconsin) | 4,222.64 mi (6,795.68 km) |
| Ritterhude to Oregon City (Oregon) | 5,048.61 mi (8,124.96 km) |
| Ritterhude to Orem (Utah) | 5,069.63 mi (8,158.77 km) |
| Ritterhude to Orinda (California) | 5,495.15 mi (8,843.59 km) |
| Ritterhude to Orland Park (Illinois) | 4,236.62 mi (6,818.18 km) |
| Ritterhude to Orlando (Florida) | 4,671.63 mi (7,518.26 km) |
| Ritterhude to Ormond Beach (Florida) | 4,619.24 mi (7,433.95 km) |
| Ritterhude to Oro Valley (Arizona) | 5,508.59 mi (8,865.22 km) |
| Ritterhude to Oroville (California) | 5,380.64 mi (8,659.31 km) |
| Ritterhude to Oshkosh (Wisconsin) | 4,138.90 mi (6,660.92 km) |
| Ritterhude to Oskaloosa (Iowa) | 4,417.75 mi (7,109.69 km) |
