| Wittmund to Odessa (Texas) | 5,212.06 mi (8,388.00 km) |
| Wittmund to Ogden (Utah) | 4,976.00 mi (8,008.09 km) |
| Wittmund to Oildale (California) | 5,515.81 mi (8,876.84 km) |
| Wittmund to Ojus (Florida) | 4,712.22 mi (7,583.58 km) |
| Wittmund to Okemos (Michigan) | 4,011.59 mi (6,456.03 km) |
| Wittmund to Oklahoma City (Oklahoma) | 4,847.89 mi (7,801.93 km) |
| Wittmund to Okmulgee (Oklahoma) | 4,788.03 mi (7,705.59 km) |
| Wittmund to Olathe (Kansas) | 4,570.86 mi (7,356.09 km) |
| Wittmund to Old Jamestown (Missouri) | 4,415.99 mi (7,106.85 km) |
| Wittmund to Oldsmar (Florida) | 4,699.83 mi (7,563.64 km) |
| Wittmund to Olean (New York) | 3,825.25 mi (6,156.15 km) |
| Wittmund to Olive Branch (Mississippi) | 4,604.50 mi (7,410.22 km) |
| Wittmund to Olivehurst (California) | 5,360.30 mi (8,626.58 km) |
| Wittmund to Olney (Maryland) | 3,916.34 mi (6,302.74 km) |
| Wittmund to Olympia (Washington) | 4,907.44 mi (7,897.76 km) |
