| Tromsdalen to Oberkirch | 1,503.76 mi (2,420.08 km) |
| Tromsdalen to Obernburg am Main | 1,406.53 mi (2,263.59 km) |
| Tromsdalen to Obernkirchen | 1,241.86 mi (1,998.59 km) |
| Tromsdalen to Oberschleissheim | 1,499.17 mi (2,412.69 km) |
| Tromsdalen to Oberstdorf | 1,564.48 mi (2,517.78 km) |
| Tromsdalen to Obertraubling | 1,446.81 mi (2,328.42 km) |
| Tromsdalen to Obertshausen | 1,393.50 mi (2,242.62 km) |
| Tromsdalen to Oberursel | 1,386.27 mi (2,230.98 km) |
| Tromsdalen to Ochsenfurt | 1,412.75 mi (2,273.60 km) |
| Tromsdalen to Ochsenhausen | 1,521.34 mi (2,448.36 km) |
| Tromsdalen to Ochtrup | 1,263.13 mi (2,032.81 km) |
| Tromsdalen to Odenthal | 1,342.82 mi (2,161.06 km) |
| Tromsdalen to Oelde | 1,279.40 mi (2,059.00 km) |
| Tromsdalen to Oelsnitz | 1,347.29 mi (2,168.25 km) |
| Tromsdalen to Oer-Erkenschwick | 1,300.50 mi (2,092.95 km) |
