| Ritterhude to Oakley (California) | 5,476.09 mi (8,812.92 km) |
| Ritterhude to Oakton (Virginia) | 3,985.21 mi (6,413.58 km) |
| Ritterhude to Oakville (Missouri) | 4,486.06 mi (7,219.62 km) |
| Ritterhude to Oatfield (Oregon) | 5,044.34 mi (8,118.08 km) |
| Ritterhude to Ocala (Florida) | 4,666.71 mi (7,510.34 km) |
| Ritterhude to Ocean Acres (New Jersey) | 3,828.49 mi (6,161.35 km) |
| Ritterhude to Ocean City (New Jersey) | 3,863.59 mi (6,217.84 km) |
| Ritterhude to Ocean Pines (Maryland) | 3,927.27 mi (6,320.34 km) |
| Ritterhude to Ocean Pointe (Hawaii) | 7,228.72 mi (11,633.50 km) |
| Ritterhude to Ocean Springs (Mississippi) | 4,856.09 mi (7,815.12 km) |
| Ritterhude to Oceanside (California) | 5,648.12 mi (9,089.77 km) |
| Ritterhude to Oceanside (New York) | 3,761.53 mi (6,053.60 km) |
| Ritterhude to Ocoee (Florida) | 4,673.97 mi (7,522.02 km) |
| Ritterhude to Oconomowoc (Wisconsin) | 4,183.08 mi (6,732.01 km) |
| Ritterhude to Odenton (Maryland) | 3,953.42 mi (6,362.42 km) |
