| Genappe to Oswego (Illinois) | 4,187.40 mi (6,738.97 km) |
| Genappe to Oswego (New York) | 3,651.52 mi (5,876.55 km) |
| Genappe to Otsego (Minnesota) | 4,208.30 mi (6,772.60 km) |
| Genappe to Ottawa (Illinois) | 4,221.34 mi (6,793.59 km) |
| Genappe to Ottawa (Kansas) | 4,596.25 mi (7,396.94 km) |
| Genappe to Ottumwa (Iowa) | 4,371.10 mi (7,034.60 km) |
| Genappe to Overland (Missouri) | 4,408.20 mi (7,094.32 km) |
| Genappe to Overland Park (Kansas) | 4,560.51 mi (7,339.43 km) |
| Genappe to Overlea (Maryland) | 3,831.12 mi (6,165.60 km) |
| Genappe to Oviedo (Florida) | 4,533.16 mi (7,295.41 km) |
| Genappe to Owasso (Oklahoma) | 4,734.93 mi (7,620.13 km) |
| Genappe to Owatonna (Minnesota) | 4,251.14 mi (6,841.55 km) |
| Genappe to Owensboro (Kentucky) | 4,328.64 mi (6,966.28 km) |
| Genappe to Owings Mills (Maryland) | 3,840.12 mi (6,180.08 km) |
| Genappe to Owosso (Michigan) | 3,969.15 mi (6,387.73 km) |
