| Ritterhude to Odessa (Texas) | 5,260.46 mi (8,465.90 km) |
| Ritterhude to Ogden (Utah) | 5,023.11 mi (8,083.92 km) |
| Ritterhude to Oildale (California) | 5,562.54 mi (8,952.04 km) |
| Ritterhude to Ojus (Florida) | 4,758.08 mi (7,657.39 km) |
| Ritterhude to Okemos (Michigan) | 4,059.93 mi (6,533.83 km) |
| Ritterhude to Oklahoma City (Oklahoma) | 4,896.31 mi (7,879.84 km) |
| Ritterhude to Okmulgee (Oklahoma) | 4,836.44 mi (7,783.49 km) |
| Ritterhude to Olathe (Kansas) | 4,619.27 mi (7,434.00 km) |
| Ritterhude to Old Jamestown (Missouri) | 4,464.36 mi (7,184.69 km) |
| Ritterhude to Oldsmar (Florida) | 4,746.50 mi (7,638.76 km) |
| Ritterhude to Olean (New York) | 3,873.26 mi (6,233.40 km) |
| Ritterhude to Olive Branch (Mississippi) | 4,652.69 mi (7,487.78 km) |
| Ritterhude to Olivehurst (California) | 5,406.16 mi (8,700.37 km) |
| Ritterhude to Olney (Maryland) | 3,963.89 mi (6,379.26 km) |
| Ritterhude to Olympia (Washington) | 4,951.83 mi (7,969.21 km) |
