| Broomall to Oberkirch | 3,963.20 mi (6,378.16 km) |
| Broomall to Obernburg am Main | 3,967.97 mi (6,385.83 km) |
| Broomall to Obernkirchen | 3,897.72 mi (6,272.77 km) |
| Broomall to Oberschleissheim | 4,115.09 mi (6,622.60 km) |
| Broomall to Oberstdorf | 4,088.62 mi (6,580.00 km) |
| Broomall to Obertraubling | 4,116.67 mi (6,625.14 km) |
| Broomall to Obertshausen | 3,948.94 mi (6,355.20 km) |
| Broomall to Oberursel | 3,934.68 mi (6,332.25 km) |
| Broomall to Ochsenfurt | 4,010.91 mi (6,454.94 km) |
| Broomall to Ochsenhausen | 4,054.21 mi (6,524.62 km) |
| Broomall to Ochtrup | 3,824.35 mi (6,154.69 km) |
| Broomall to Odenthal | 3,852.92 mi (6,200.67 km) |
| Broomall to Oelde | 3,871.95 mi (6,231.31 km) |
| Broomall to Oelsnitz | 4,071.14 mi (6,551.87 km) |
| Broomall to Oer-Erkenschwick | 3,841.76 mi (6,182.72 km) |
