| Baraboo to Oswego (Illinois) | 142.49 mi (229.32 km) |
| Baraboo to Oswego (New York) | 663.16 mi (1,067.25 km) |
| Baraboo to Otsego (Minnesota) | 228.39 mi (367.56 km) |
| Baraboo to Ottawa (Illinois) | 153.28 mi (246.68 km) |
| Baraboo to Ottawa (Kansas) | 442.69 mi (712.44 km) |
| Baraboo to Ottumwa (Iowa) | 217.83 mi (350.56 km) |
| Baraboo to Overland (Missouri) | 331.41 mi (533.35 km) |
| Baraboo to Overland Park (Kansas) | 407.88 mi (656.41 km) |
| Baraboo to Overlea (Maryland) | 740.33 mi (1,191.44 km) |
| Baraboo to Oviedo (Florida) | 1,127.79 mi (1,815.00 km) |
| Baraboo to Owasso (Oklahoma) | 591.73 mi (952.30 km) |
| Baraboo to Owatonna (Minnesota) | 179.48 mi (288.84 km) |
| Baraboo to Owensboro (Kentucky) | 417.85 mi (672.46 km) |
| Baraboo to Owings Mills (Maryland) | 725.81 mi (1,168.07 km) |
| Baraboo to Owosso (Michigan) | 281.83 mi (453.55 km) |
