| Genoa to Oswego (Illinois) | 4,598.51 mi (7,400.59 km) |
| Genoa to Oswego (New York) | 4,041.62 mi (6,504.36 km) |
| Genoa to Otsego (Minnesota) | 4,641.61 mi (7,469.95 km) |
| Genoa to Ottawa (Illinois) | 4,632.44 mi (7,455.19 km) |
| Genoa to Ottawa (Kansas) | 5,013.55 mi (8,068.52 km) |
| Genoa to Ottumwa (Iowa) | 4,789.29 mi (7,707.61 km) |
| Genoa to Overland (Missouri) | 4,813.84 mi (7,747.13 km) |
| Genoa to Overland Park (Kansas) | 4,977.31 mi (8,010.21 km) |
| Genoa to Overlea (Maryland) | 4,201.80 mi (6,762.14 km) |
| Genoa to Oviedo (Florida) | 4,869.01 mi (7,835.92 km) |
| Genoa to Owasso (Oklahoma) | 5,146.63 mi (8,282.70 km) |
| Genoa to Owatonna (Minnesota) | 4,680.35 mi (7,532.30 km) |
| Genoa to Owensboro (Kentucky) | 4,722.34 mi (7,599.87 km) |
| Genoa to Owings Mills (Maryland) | 4,211.82 mi (6,778.27 km) |
| Genoa to Owosso (Michigan) | 4,375.51 mi (7,041.71 km) |
