| Wittmund to Oswego (Illinois) | 4,201.00 mi (6,760.85 km) |
| Wittmund to Oswego (New York) | 3,689.05 mi (5,936.95 km) |
| Wittmund to Otsego (Minnesota) | 4,195.75 mi (6,752.40 km) |
| Wittmund to Ottawa (Illinois) | 4,234.78 mi (6,815.22 km) |
| Wittmund to Ottawa (Kansas) | 4,601.16 mi (7,404.85 km) |
| Wittmund to Ottumwa (Iowa) | 4,376.05 mi (7,042.58 km) |
| Wittmund to Overland (Missouri) | 4,426.42 mi (7,123.64 km) |
| Wittmund to Overland Park (Kansas) | 4,566.13 mi (7,348.48 km) |
| Wittmund to Overlea (Maryland) | 3,884.71 mi (6,251.84 km) |
| Wittmund to Oviedo (Florida) | 4,609.71 mi (7,418.60 km) |
| Wittmund to Owasso (Oklahoma) | 4,745.32 mi (7,636.86 km) |
| Wittmund to Owatonna (Minnesota) | 4,243.62 mi (6,829.44 km) |
| Wittmund to Owensboro (Kentucky) | 4,359.00 mi (7,015.13 km) |
| Wittmund to Owings Mills (Maryland) | 3,892.80 mi (6,264.86 km) |
| Wittmund to Owosso (Michigan) | 3,988.88 mi (6,419.48 km) |
