| Mersch to Oswego (Illinois) | 4,280.39 mi (6,888.63 km) |
| Mersch to Oswego (New York) | 3,743.11 mi (6,023.96 km) |
| Mersch to Otsego (Minnesota) | 4,301.98 mi (6,923.37 km) |
| Mersch to Ottawa (Illinois) | 4,314.34 mi (6,943.26 km) |
| Mersch to Ottawa (Kansas) | 4,689.55 mi (7,547.10 km) |
| Mersch to Ottumwa (Iowa) | 4,464.42 mi (7,184.79 km) |
| Mersch to Overland (Missouri) | 4,500.94 mi (7,243.56 km) |
| Mersch to Overland Park (Kansas) | 4,653.79 mi (7,489.54 km) |
| Mersch to Overlea (Maryland) | 3,921.18 mi (6,310.52 km) |
| Mersch to Oviedo (Florida) | 4,620.07 mi (7,435.28 km) |
| Mersch to Owasso (Oklahoma) | 4,828.01 mi (7,769.93 km) |
| Mersch to Owatonna (Minnesota) | 4,344.77 mi (6,992.23 km) |
| Mersch to Owensboro (Kentucky) | 4,420.63 mi (7,114.32 km) |
| Mersch to Owings Mills (Maryland) | 3,930.27 mi (6,325.16 km) |
| Mersch to Owosso (Michigan) | 4,061.87 mi (6,536.95 km) |
