| Ronkonkoma to Oberkirch | 3,835.26 mi (6,172.25 km) |
| Ronkonkoma to Obernburg am Main | 3,840.91 mi (6,181.35 km) |
| Ronkonkoma to Obernkirchen | 3,772.23 mi (6,070.81 km) |
| Ronkonkoma to Oberschleissheim | 3,987.58 mi (6,417.39 km) |
| Ronkonkoma to Oberstdorf | 3,960.47 mi (6,373.77 km) |
| Ronkonkoma to Obertraubling | 3,989.66 mi (6,420.74 km) |
| Ronkonkoma to Obertshausen | 3,821.96 mi (6,150.85 km) |
| Ronkonkoma to Oberursel | 3,807.74 mi (6,127.96 km) |
| Ronkonkoma to Ochsenfurt | 3,883.91 mi (6,250.54 km) |
| Ronkonkoma to Ochsenhausen | 3,926.33 mi (6,318.82 km) |
| Ronkonkoma to Ochtrup | 3,698.47 mi (5,952.11 km) |
| Ronkonkoma to Odenthal | 3,726.24 mi (5,996.80 km) |
| Ronkonkoma to Oelde | 3,745.98 mi (6,028.58 km) |
| Ronkonkoma to Oelsnitz | 3,945.00 mi (6,348.86 km) |
| Ronkonkoma to Oer-Erkenschwick | 3,715.50 mi (5,979.52 km) |
