| Tromso to Oberkirch | 1,505.82 mi (2,423.38 km) |
| Tromso to Obernburg am Main | 1,408.63 mi (2,266.97 km) |
| Tromso to Obernkirchen | 1,243.91 mi (2,001.89 km) |
| Tromso to Oberschleissheim | 1,501.45 mi (2,416.36 km) |
| Tromso to Oberstdorf | 1,566.69 mi (2,521.34 km) |
| Tromso to Obertraubling | 1,449.12 mi (2,332.13 km) |
| Tromso to Obertshausen | 1,395.57 mi (2,245.96 km) |
| Tromso to Oberursel | 1,388.32 mi (2,234.29 km) |
| Tromso to Ochsenfurt | 1,414.92 mi (2,277.09 km) |
| Tromso to Ochsenhausen | 1,523.52 mi (2,451.87 km) |
| Tromso to Ochtrup | 1,265.03 mi (2,035.87 km) |
| Tromso to Odenthal | 1,344.75 mi (2,164.17 km) |
| Tromso to Oelde | 1,281.39 mi (2,062.20 km) |
| Tromso to Oelsnitz | 1,349.58 mi (2,171.94 km) |
| Tromso to Oer-Erkenschwick | 1,302.42 mi (2,096.05 km) |
