| Dalmine to Oswego (Illinois) | 4,574.39 mi (7,361.77 km) |
| Dalmine to Oswego (New York) | 4,024.27 mi (6,476.43 km) |
| Dalmine to Otsego (Minnesota) | 4,608.86 mi (7,417.25 km) |
| Dalmine to Ottawa (Illinois) | 4,608.34 mi (7,416.41 km) |
| Dalmine to Ottawa (Kansas) | 4,987.35 mi (8,026.36 km) |
| Dalmine to Ottumwa (Iowa) | 4,762.65 mi (7,664.74 km) |
| Dalmine to Overland (Missouri) | 4,791.78 mi (7,711.63 km) |
| Dalmine to Overland Park (Kansas) | 4,951.28 mi (7,968.32 km) |
| Dalmine to Overlea (Maryland) | 4,190.55 mi (6,744.04 km) |
| Dalmine to Oviedo (Florida) | 4,868.11 mi (7,834.47 km) |
| Dalmine to Owasso (Oklahoma) | 5,122.57 mi (8,243.98 km) |
| Dalmine to Owatonna (Minnesota) | 4,649.33 mi (7,482.38 km) |
| Dalmine to Owensboro (Kentucky) | 4,704.28 mi (7,570.81 km) |
| Dalmine to Owings Mills (Maryland) | 4,200.28 mi (6,759.70 km) |
| Dalmine to Owosso (Michigan) | 4,352.95 mi (7,005.40 km) |
