| Ennepetal to Oswego (Illinois) | 4,269.20 mi (6,870.62 km) |
| Ennepetal to Oswego (New York) | 3,742.79 mi (6,023.44 km) |
| Ennepetal to Otsego (Minnesota) | 4,278.60 mi (6,885.73 km) |
| Ennepetal to Ottawa (Illinois) | 4,303.10 mi (6,925.17 km) |
| Ennepetal to Ottawa (Kansas) | 4,674.56 mi (7,522.98 km) |
| Ennepetal to Ottumwa (Iowa) | 4,449.30 mi (7,160.45 km) |
| Ennepetal to Overland (Missouri) | 4,492.09 mi (7,229.32 km) |
| Ennepetal to Overland Park (Kansas) | 4,639.11 mi (7,465.93 km) |
| Ennepetal to Overlea (Maryland) | 3,928.73 mi (6,322.67 km) |
| Ennepetal to Oviedo (Florida) | 4,639.43 mi (7,466.44 km) |
| Ennepetal to Owasso (Oklahoma) | 4,815.69 mi (7,750.11 km) |
| Ennepetal to Owatonna (Minnesota) | 4,323.75 mi (6,958.40 km) |
| Ennepetal to Owensboro (Kentucky) | 4,417.48 mi (7,109.25 km) |
| Ennepetal to Owings Mills (Maryland) | 3,937.39 mi (6,336.62 km) |
| Ennepetal to Owosso (Michigan) | 4,053.39 mi (6,523.31 km) |
