| Panama City to Oberkirch | 4,844.37 mi (7,796.26 km) |
| Panama City to Obernburg am Main | 4,851.99 mi (7,808.52 km) |
| Panama City to Obernkirchen | 4,784.64 mi (7,700.13 km) |
| Panama City to Oberschleissheim | 4,997.77 mi (8,043.13 km) |
| Panama City to Oberstdorf | 4,968.93 mi (7,996.71 km) |
| Panama City to Obertraubling | 5,000.79 mi (8,047.99 km) |
| Panama City to Obertshausen | 4,833.16 mi (7,778.22 km) |
| Panama City to Oberursel | 4,819.00 mi (7,755.42 km) |
| Panama City to Ochsenfurt | 4,895.06 mi (7,877.83 km) |
| Panama City to Ochsenhausen | 4,935.61 mi (7,943.09 km) |
| Panama City to Ochtrup | 4,710.74 mi (7,581.21 km) |
| Panama City to Odenthal | 4,737.86 mi (7,624.85 km) |
| Panama City to Oelde | 4,758.21 mi (7,657.60 km) |
| Panama City to Oelsnitz | 4,957.11 mi (7,977.70 km) |
| Panama City to Oer-Erkenschwick | 4,727.54 mi (7,608.23 km) |
