| Sortland to Oberkirch | 1,415.67 mi (2,278.29 km) |
| Sortland to Obernburg am Main | 1,320.05 mi (2,124.41 km) |
| Sortland to Obernkirchen | 1,153.94 mi (1,857.09 km) |
| Sortland to Oberschleissheim | 1,419.00 mi (2,283.66 km) |
| Sortland to Oberstdorf | 1,481.61 mi (2,384.43 km) |
| Sortland to Obertraubling | 1,367.86 mi (2,201.36 km) |
| Sortland to Obertshausen | 1,306.21 mi (2,102.15 km) |
| Sortland to Oberursel | 1,298.35 mi (2,089.49 km) |
| Sortland to Ochsenfurt | 1,328.46 mi (2,137.95 km) |
| Sortland to Ochsenhausen | 1,437.47 mi (2,313.38 km) |
| Sortland to Ochtrup | 1,171.03 mi (1,884.59 km) |
| Sortland to Odenthal | 1,251.35 mi (2,013.85 km) |
| Sortland to Oelde | 1,189.59 mi (1,914.46 km) |
| Sortland to Oelsnitz | 1,267.81 mi (2,040.34 km) |
| Sortland to Oer-Erkenschwick | 1,208.90 mi (1,945.54 km) |
