| Tampa to Oberkirch | 4,818.31 mi (7,754.32 km) |
| Tampa to Obernburg am Main | 4,832.55 mi (7,777.24 km) |
| Tampa to Obernkirchen | 4,775.41 mi (7,685.28 km) |
| Tampa to Oberschleissheim | 4,974.55 mi (8,005.76 km) |
| Tampa to Oberstdorf | 4,940.73 mi (7,951.34 km) |
| Tampa to Obertraubling | 4,981.20 mi (8,016.47 km) |
| Tampa to Obertshausen | 4,814.35 mi (7,747.94 km) |
| Tampa to Oberursel | 4,800.48 mi (7,725.63 km) |
| Tampa to Ochsenfurt | 4,875.85 mi (7,846.92 km) |
| Tampa to Ochsenhausen | 4,909.74 mi (7,901.46 km) |
| Tampa to Ochtrup | 4,699.38 mi (7,562.92 km) |
| Tampa to Odenthal | 4,721.38 mi (7,598.33 km) |
| Tampa to Oelde | 4,746.18 mi (7,638.24 km) |
| Tampa to Oelsnitz | 4,943.44 mi (7,955.70 km) |
| Tampa to Oer-Erkenschwick | 4,713.81 mi (7,586.14 km) |
