| Galt to Oswego (Illinois) | 1,750.33 mi (2,816.89 km) |
| Galt to Oswego (New York) | 2,339.63 mi (3,765.26 km) |
| Galt to Otsego (Minnesota) | 1,497.37 mi (2,409.79 km) |
| Galt to Ottawa (Illinois) | 1,726.47 mi (2,778.48 km) |
| Galt to Ottawa (Kansas) | 1,404.60 mi (2,260.49 km) |
| Galt to Ottumwa (Iowa) | 1,541.18 mi (2,480.30 km) |
| Galt to Overland (Missouri) | 1,665.20 mi (2,679.88 km) |
| Galt to Overland Park (Kansas) | 1,433.03 mi (2,306.23 km) |
| Galt to Overlea (Maryland) | 2,386.99 mi (3,841.48 km) |
| Galt to Oviedo (Florida) | 2,385.25 mi (3,838.68 km) |
| Galt to Owasso (Oklahoma) | 1,402.47 mi (2,257.05 km) |
| Galt to Owatonna (Minnesota) | 1,505.89 mi (2,423.49 km) |
| Galt to Owensboro (Kentucky) | 1,850.44 mi (2,977.99 km) |
| Galt to Owings Mills (Maryland) | 2,372.00 mi (3,817.37 km) |
| Galt to Owosso (Michigan) | 1,957.49 mi (3,150.28 km) |
