| Grumo Nevano to Oswego (Illinois) | 4,959.85 mi (7,982.10 km) |
| Grumo Nevano to Oswego (New York) | 4,400.45 mi (7,081.84 km) |
| Grumo Nevano to Otsego (Minnesota) | 5,003.40 mi (8,052.19 km) |
| Grumo Nevano to Ottawa (Illinois) | 4,993.77 mi (8,036.69 km) |
| Grumo Nevano to Ottawa (Kansas) | 5,375.28 mi (8,650.68 km) |
| Grumo Nevano to Ottumwa (Iowa) | 5,151.09 mi (8,289.89 km) |
| Grumo Nevano to Overland (Missouri) | 5,174.55 mi (8,327.63 km) |
| Grumo Nevano to Overland Park (Kansas) | 5,339.02 mi (8,592.32 km) |
| Grumo Nevano to Overlea (Maryland) | 4,556.62 mi (7,333.18 km) |
| Grumo Nevano to Oviedo (Florida) | 5,213.18 mi (8,389.80 km) |
| Grumo Nevano to Owasso (Oklahoma) | 5,507.90 mi (8,864.11 km) |
| Grumo Nevano to Owatonna (Minnesota) | 5,042.33 mi (8,114.84 km) |
| Grumo Nevano to Owensboro (Kentucky) | 5,081.36 mi (8,177.66 km) |
| Grumo Nevano to Owings Mills (Maryland) | 4,566.87 mi (7,349.67 km) |
| Grumo Nevano to Owosso (Michigan) | 4,736.44 mi (7,622.56 km) |
