| San Juan to Oskaloosa (Iowa) | 2,227.13 mi (3,584.21 km) |
| San Juan to Oswego (Illinois) | 2,075.68 mi (3,340.48 km) |
| San Juan to Oswego (New York) | 1,834.71 mi (2,952.68 km) |
| San Juan to Otsego (Minnesota) | 2,438.04 mi (3,923.64 km) |
| San Juan to Ottawa (Illinois) | 2,078.44 mi (3,344.92 km) |
| San Juan to Ottawa (Kansas) | 2,239.33 mi (3,603.86 km) |
| San Juan to Ottumwa (Iowa) | 2,206.54 mi (3,551.08 km) |
| San Juan to Overland (Missouri) | 2,023.00 mi (3,255.71 km) |
| San Juan to Overland Park (Kansas) | 2,222.82 mi (3,577.28 km) |
| San Juan to Overlea (Maryland) | 1,577.89 mi (2,539.38 km) |
| San Juan to Oviedo (Florida) | 1,189.95 mi (1,915.04 km) |
| San Juan to Owasso (Oklahoma) | 2,191.02 mi (3,526.10 km) |
| San Juan to Owatonna (Minnesota) | 2,371.09 mi (3,815.90 km) |
| San Juan to Owensboro (Kentucky) | 1,844.82 mi (2,968.95 km) |
| San Juan to Owings Mills (Maryland) | 1,587.37 mi (2,554.62 km) |
