| Godfrey to Oswego (Illinois) | 212.73 mi (342.35 km) |
| Godfrey to Oswego (New York) | 776.40 mi (1,249.49 km) |
| Godfrey to Otsego (Minnesota) | 469.38 mi (755.39 km) |
| Godfrey to Ottawa (Illinois) | 181.19 mi (291.59 km) |
| Godfrey to Ottawa (Kansas) | 272.99 mi (439.33 km) |
| Godfrey to Ottumwa (Iowa) | 184.09 mi (296.26 km) |
| Godfrey to Overland (Missouri) | 19.84 mi (31.93 km) |
| Godfrey to Overland Park (Kansas) | 240.38 mi (386.86 km) |
| Godfrey to Overlea (Maryland) | 733.69 mi (1,180.75 km) |
| Godfrey to Oviedo (Florida) | 879.33 mi (1,415.14 km) |
| Godfrey to Owasso (Oklahoma) | 358.32 mi (576.66 km) |
| Godfrey to Owatonna (Minnesota) | 387.40 mi (623.47 km) |
| Godfrey to Owensboro (Kentucky) | 187.22 mi (301.30 km) |
| Godfrey to Owings Mills (Maryland) | 718.96 mi (1,157.06 km) |
| Godfrey to Owosso (Michigan) | 420.61 mi (676.91 km) |
