| Grigiskes to Oswego (Illinois) | 4,714.89 mi (7,587.89 km) |
| Grigiskes to Oswego (New York) | 4,251.59 mi (6,842.28 km) |
| Grigiskes to Otsego (Minnesota) | 4,658.43 mi (7,497.02 km) |
| Grigiskes to Ottawa (Illinois) | 4,747.92 mi (7,641.03 km) |
| Grigiskes to Ottawa (Kansas) | 5,092.91 mi (8,196.25 km) |
| Grigiskes to Ottumwa (Iowa) | 4,871.04 mi (7,839.17 km) |
| Grigiskes to Overland (Missouri) | 4,945.88 mi (7,959.62 km) |
| Grigiskes to Overland Park (Kansas) | 5,059.76 mi (8,142.89 km) |
| Grigiskes to Overlea (Maryland) | 4,470.24 mi (7,194.16 km) |
| Grigiskes to Oviedo (Florida) | 5,222.52 mi (8,404.84 km) |
| Grigiskes to Owasso (Oklahoma) | 5,245.83 mi (8,442.34 km) |
| Grigiskes to Owatonna (Minnesota) | 4,715.81 mi (7,589.36 km) |
| Grigiskes to Owensboro (Kentucky) | 4,901.12 mi (7,887.59 km) |
| Grigiskes to Owings Mills (Maryland) | 4,476.85 mi (7,204.79 km) |
| Grigiskes to Owosso (Michigan) | 4,516.92 mi (7,269.28 km) |
