| East Islip to Oakley (California) | 2,565.23 mi (4,128.34 km) |
| East Islip to Oakton (Virginia) | 252.56 mi (406.46 km) |
| East Islip to Oakville (Missouri) | 924.22 mi (1,487.38 km) |
| East Islip to Oatfield (Oregon) | 2,475.21 mi (3,983.47 km) |
| East Islip to Ocala (Florida) | 944.45 mi (1,519.94 km) |
| East Islip to Ocean Acres (New Jersey) | 89.09 mi (143.38 km) |
| East Islip to Ocean City (New Jersey) | 125.51 mi (201.98 km) |
| East Islip to Ocean Pines (Maryland) | 192.54 mi (309.86 km) |
| East Islip to Ocean Pointe (Hawaii) | 5,009.60 mi (8,062.18 km) |
| East Islip to Ocean Springs (Mississippi) | 1,126.91 mi (1,813.59 km) |
| East Islip to Oceanside (California) | 2,463.25 mi (3,964.21 km) |
| East Islip to Oceanside (New York) | 24.41 mi (39.29 km) |
| East Islip to Ocoee (Florida) | 962.88 mi (1,549.60 km) |
| East Islip to Oconomowoc (Wisconsin) | 802.78 mi (1,291.94 km) |
| East Islip to Odenton (Maryland) | 218.39 mi (351.47 km) |
