| Oberwil to Oswego (Illinois) | 4,420.85 mi (7,114.66 km) |
| Oberwil to Oswego (New York) | 3,875.16 mi (6,236.47 km) |
| Oberwil to Otsego (Minnesota) | 4,451.15 mi (7,163.43 km) |
| Oberwil to Ottawa (Illinois) | 4,454.80 mi (7,169.31 km) |
| Oberwil to Ottawa (Kansas) | 4,832.58 mi (7,777.28 km) |
| Oberwil to Ottumwa (Iowa) | 4,607.70 mi (7,415.38 km) |
| Oberwil to Overland (Missouri) | 4,639.37 mi (7,466.35 km) |
| Oberwil to Overland Park (Kansas) | 4,796.61 mi (7,719.40 km) |
| Oberwil to Overlea (Maryland) | 4,045.91 mi (6,511.26 km) |
| Oberwil to Oviedo (Florida) | 4,732.16 mi (7,615.67 km) |
| Oberwil to Owasso (Oklahoma) | 4,968.92 mi (7,996.71 km) |
| Oberwil to Owatonna (Minnesota) | 4,492.33 mi (7,229.71 km) |
| Oberwil to Owensboro (Kentucky) | 4,554.44 mi (7,329.67 km) |
| Oberwil to Owings Mills (Maryland) | 4,055.40 mi (6,526.54 km) |
| Oberwil to Owosso (Michigan) | 4,200.38 mi (6,759.85 km) |
