| East Islip to Olivares | 3,513.90 mi (5,655.08 km) |
| East Islip to Olivenza | 3,429.71 mi (5,519.59 km) |
| East Islip to Olot | 3,783.36 mi (6,088.72 km) |
| East Islip to Onate | 3,532.07 mi (5,684.32 km) |
| East Islip to Onda | 3,722.03 mi (5,990.02 km) |
| East Islip to Onteniente | 3,740.84 mi (6,020.30 km) |
| East Islip to Orihuela | 3,747.60 mi (6,031.17 km) |
| East Islip to Osuna | 3,571.28 mi (5,747.42 km) |
| East Islip to Ourense | 3,294.29 mi (5,301.65 km) |
| East Islip to Oviedo | 3,363.74 mi (5,413.42 km) |
| East Islip to Paiporta | 3,731.09 mi (6,004.61 km) |
| East Islip to Pajara | 3,404.46 mi (5,478.95 km) |
| East Islip to Palafolls | 3,811.06 mi (6,133.32 km) |
| East Islip to Palafrugell | 3,822.47 mi (6,151.66 km) |
| East Islip to Palamos | 3,823.09 mi (6,152.67 km) |
