| Langnau to Oswego (Illinois) | 4,452.05 mi (7,164.87 km) |
| Langnau to Oswego (New York) | 3,904.11 mi (6,283.06 km) |
| Langnau to Otsego (Minnesota) | 4,484.85 mi (7,217.67 km) |
| Langnau to Ottawa (Illinois) | 4,486.00 mi (7,219.52 km) |
| Langnau to Ottawa (Kansas) | 4,864.46 mi (7,828.59 km) |
| Langnau to Ottumwa (Iowa) | 4,639.68 mi (7,466.85 km) |
| Langnau to Overland (Missouri) | 4,669.98 mi (7,515.61 km) |
| Langnau to Overland Park (Kansas) | 4,828.44 mi (7,770.62 km) |
| Langnau to Overlea (Maryland) | 4,072.85 mi (6,554.62 km) |
| Langnau to Oviedo (Florida) | 4,755.58 mi (7,653.37 km) |
| Langnau to Owasso (Oklahoma) | 5,000.19 mi (8,047.03 km) |
| Langnau to Owatonna (Minnesota) | 4,525.56 mi (7,283.18 km) |
| Langnau to Owensboro (Kentucky) | 4,583.77 mi (7,376.86 km) |
| Langnau to Owings Mills (Maryland) | 4,082.44 mi (6,570.06 km) |
| Langnau to Owosso (Michigan) | 4,231.06 mi (6,809.23 km) |
