| Katrineholm to Oberkirch | 794.19 mi (1,278.12 km) |
| Katrineholm to Obernburg am Main | 692.70 mi (1,114.79 km) |
| Katrineholm to Obernkirchen | 540.40 mi (869.70 km) |
| Katrineholm to Oberschleissheim | 766.17 mi (1,233.04 km) |
| Katrineholm to Oberstdorf | 836.66 mi (1,346.47 km) |
| Katrineholm to Obertraubling | 712.07 mi (1,145.97 km) |
| Katrineholm to Obertshausen | 683.30 mi (1,099.66 km) |
| Katrineholm to Oberursel | 679.07 mi (1,092.86 km) |
| Katrineholm to Ochsenfurt | 690.98 mi (1,112.03 km) |
| Katrineholm to Ochsenhausen | 796.65 mi (1,282.08 km) |
| Katrineholm to Ochtrup | 585.50 mi (942.27 km) |
| Katrineholm to Odenthal | 656.35 mi (1,056.29 km) |
| Katrineholm to Oelde | 586.34 mi (943.63 km) |
| Katrineholm to Oelsnitz | 614.23 mi (988.51 km) |
| Katrineholm to Oer-Erkenschwick | 617.10 mi (993.13 km) |
