| Saco to Oskaloosa (Iowa) | 1,138.43 mi (1,832.13 km) |
| Saco to Oswego (Illinois) | 916.12 mi (1,474.35 km) |
| Saco to Oswego (New York) | 302.64 mi (487.05 km) |
| Saco to Otsego (Minnesota) | 1,145.36 mi (1,843.29 km) |
| Saco to Ottawa (Illinois) | 946.32 mi (1,522.96 km) |
| Saco to Ottawa (Kansas) | 1,330.70 mi (2,141.56 km) |
| Saco to Ottumwa (Iowa) | 1,132.42 mi (1,822.46 km) |
| Saco to Overland (Missouri) | 1,085.73 mi (1,747.31 km) |
| Saco to Overland Park (Kansas) | 1,294.40 mi (2,083.13 km) |
| Saco to Overlea (Maryland) | 425.85 mi (685.34 km) |
| Saco to Oviedo (Florida) | 1,187.44 mi (1,911.01 km) |
| Saco to Owasso (Oklahoma) | 1,427.85 mi (2,297.90 km) |
| Saco to Owatonna (Minnesota) | 1,132.19 mi (1,822.08 km) |
| Saco to Owensboro (Kentucky) | 957.86 mi (1,541.52 km) |
| Saco to Owings Mills (Maryland) | 434.13 mi (698.66 km) |
