| Elk Grove to Oswego (Illinois) | 1,751.51 mi (2,818.78 km) |
| Elk Grove to Oswego (New York) | 2,339.80 mi (3,765.55 km) |
| Elk Grove to Otsego (Minnesota) | 1,496.73 mi (2,408.75 km) |
| Elk Grove to Ottawa (Illinois) | 1,727.80 mi (2,780.63 km) |
| Elk Grove to Ottawa (Kansas) | 1,407.52 mi (2,265.19 km) |
| Elk Grove to Ottumwa (Iowa) | 1,542.75 mi (2,482.82 km) |
| Elk Grove to Overland (Missouri) | 1,667.80 mi (2,684.07 km) |
| Elk Grove to Overland Park (Kansas) | 1,435.77 mi (2,310.64 km) |
| Elk Grove to Overlea (Maryland) | 2,388.55 mi (3,843.99 km) |
| Elk Grove to Oviedo (Florida) | 2,390.49 mi (3,847.12 km) |
| Elk Grove to Owasso (Oklahoma) | 1,406.63 mi (2,263.75 km) |
| Elk Grove to Owatonna (Minnesota) | 1,505.87 mi (2,423.46 km) |
| Elk Grove to Owensboro (Kentucky) | 1,853.24 mi (2,982.50 km) |
| Elk Grove to Owings Mills (Maryland) | 2,373.56 mi (3,819.88 km) |
| Elk Grove to Owosso (Michigan) | 1,958.03 mi (3,151.14 km) |
