| East Islip to Oswego (Illinois) | 789.31 mi (1,270.27 km) |
| East Islip to Oswego (New York) | 253.61 mi (408.14 km) |
| East Islip to Otsego (Minnesota) | 1,075.81 mi (1,731.35 km) |
| East Islip to Ottawa (Illinois) | 815.06 mi (1,311.72 km) |
| East Islip to Ottawa (Kansas) | 1,180.23 mi (1,899.39 km) |
| East Islip to Ottumwa (Iowa) | 1,002.95 mi (1,614.09 km) |
| East Islip to Overland (Missouri) | 922.42 mi (1,484.49 km) |
| East Islip to Overland Park (Kansas) | 1,145.34 mi (1,843.25 km) |
| East Islip to Overlea (Maryland) | 199.69 mi (321.37 km) |
| East Islip to Oviedo (Florida) | 948.58 mi (1,526.60 km) |
| East Islip to Owasso (Oklahoma) | 1,258.25 mi (2,024.96 km) |
| East Islip to Owatonna (Minnesota) | 1,045.85 mi (1,683.13 km) |
| East Islip to Owensboro (Kentucky) | 772.18 mi (1,242.70 km) |
| East Islip to Owings Mills (Maryland) | 211.09 mi (339.71 km) |
| East Islip to Owosso (Michigan) | 586.33 mi (943.61 km) |
