| Garfield to Oswego (Illinois) | 740.03 mi (1,190.96 km) |
| Garfield to Oswego (New York) | 215.85 mi (347.37 km) |
| Garfield to Otsego (Minnesota) | 1,027.41 mi (1,653.46 km) |
| Garfield to Ottawa (Illinois) | 765.87 mi (1,232.55 km) |
| Garfield to Ottawa (Kansas) | 1,132.12 mi (1,821.98 km) |
| Garfield to Ottumwa (Iowa) | 953.81 mi (1,535.02 km) |
| Garfield to Overland (Missouri) | 875.05 mi (1,408.25 km) |
| Garfield to Overland Park (Kansas) | 1,097.12 mi (1,765.65 km) |
| Garfield to Overlea (Maryland) | 164.78 mi (265.18 km) |
| Garfield to Oviedo (Florida) | 934.27 mi (1,503.56 km) |
| Garfield to Owasso (Oklahoma) | 1,211.83 mi (1,950.25 km) |
| Garfield to Owatonna (Minnesota) | 996.85 mi (1,604.28 km) |
| Garfield to Owensboro (Kentucky) | 727.22 mi (1,170.34 km) |
| Garfield to Owings Mills (Maryland) | 174.23 mi (280.39 km) |
| Garfield to Owosso (Michigan) | 537.32 mi (864.73 km) |
