| East Islip to Oberkirch | 3,841.12 mi (6,181.69 km) |
| East Islip to Obernburg am Main | 3,846.85 mi (6,190.90 km) |
| East Islip to Obernkirchen | 3,778.25 mi (6,080.51 km) |
| East Islip to Oberschleissheim | 3,993.48 mi (6,426.89 km) |
| East Islip to Oberstdorf | 3,966.32 mi (6,383.18 km) |
| East Islip to Obertraubling | 3,995.60 mi (6,430.30 km) |
| East Islip to Obertshausen | 3,827.90 mi (6,160.41 km) |
| East Islip to Oberursel | 3,813.68 mi (6,137.52 km) |
| East Islip to Ochsenfurt | 3,889.85 mi (6,260.10 km) |
| East Islip to Ochsenhausen | 3,932.20 mi (6,328.27 km) |
| East Islip to Ochtrup | 3,704.47 mi (5,961.77 km) |
| East Islip to Odenthal | 3,732.20 mi (6,006.39 km) |
| East Islip to Oelde | 3,751.99 mi (6,038.24 km) |
| East Islip to Oelsnitz | 3,950.99 mi (6,358.51 km) |
| East Islip to Oer-Erkenschwick | 3,721.49 mi (5,989.16 km) |
