| Altamura to Oswego (Illinois) | 5,055.82 mi (8,136.55 km) |
| Altamura to Oswego (New York) | 4,501.19 mi (7,243.96 km) |
| Altamura to Otsego (Minnesota) | 5,092.15 mi (8,195.03 km) |
| Altamura to Ottawa (Illinois) | 5,089.76 mi (8,191.18 km) |
| Altamura to Ottawa (Kansas) | 5,469.66 mi (8,802.56 km) |
| Altamura to Ottumwa (Iowa) | 5,245.09 mi (8,441.16 km) |
| Altamura to Overland (Missouri) | 5,272.13 mi (8,484.68 km) |
| Altamura to Overland Park (Kansas) | 5,433.53 mi (8,744.42 km) |
| Altamura to Overlea (Maryland) | 4,661.33 mi (7,501.68 km) |
| Altamura to Oviedo (Florida) | 5,323.78 mi (8,567.79 km) |
| Altamura to Owasso (Oklahoma) | 5,604.01 mi (9,018.78 km) |
| Altamura to Owatonna (Minnesota) | 5,132.61 mi (8,260.15 km) |
| Altamura to Owensboro (Kentucky) | 5,181.82 mi (8,339.34 km) |
| Altamura to Owings Mills (Maryland) | 4,671.40 mi (7,517.89 km) |
| Altamura to Owosso (Michigan) | 4,833.56 mi (7,778.86 km) |
