| Altamonte Springs to Oswego (Illinois) | 980.57 mi (1,578.07 km) |
| Altamonte Springs to Oswego (New York) | 1,057.32 mi (1,701.60 km) |
| Altamonte Springs to Otsego (Minnesota) | 1,327.56 mi (2,136.50 km) |
| Altamonte Springs to Ottawa (Illinois) | 971.71 mi (1,563.81 km) |
| Altamonte Springs to Ottawa (Kansas) | 1,050.40 mi (1,690.46 km) |
| Altamonte Springs to Ottumwa (Iowa) | 1,056.27 mi (1,699.90 km) |
| Altamonte Springs to Overland (Missouri) | 863.25 mi (1,389.26 km) |
| Altamonte Springs to Overland Park (Kansas) | 1,038.01 mi (1,670.52 km) |
| Altamonte Springs to Overlea (Maryland) | 790.14 mi (1,271.62 km) |
| Altamonte Springs to Oviedo (Florida) | 12.62 mi (20.31 km) |
| Altamonte Springs to Owasso (Oklahoma) | 991.10 mi (1,595.03 km) |
| Altamonte Springs to Owatonna (Minnesota) | 1,250.04 mi (2,011.75 km) |
| Altamonte Springs to Owensboro (Kentucky) | 709.81 mi (1,142.34 km) |
| Altamonte Springs to Owings Mills (Maryland) | 787.83 mi (1,267.89 km) |
| Altamonte Springs to Owosso (Michigan) | 1,002.40 mi (1,613.20 km) |
