| Koscian to Oberkirch | 450.18 mi (724.49 km) |
| Koscian to Obernburg am Main | 361.42 mi (581.65 km) |
| Koscian to Obernkirchen | 319.26 mi (513.80 km) |
| Koscian to Oberschleissheim | 347.34 mi (558.99 km) |
| Koscian to Oberstdorf | 429.99 mi (692.01 km) |
| Koscian to Obertraubling | 291.74 mi (469.51 km) |
| Koscian to Obertshausen | 366.59 mi (589.97 km) |
| Koscian to Oberursel | 373.03 mi (600.33 km) |
| Koscian to Ochsenfurt | 332.50 mi (535.10 km) |
| Koscian to Ochsenhausen | 406.03 mi (653.45 km) |
| Koscian to Ochtrup | 400.90 mi (645.19 km) |
| Koscian to Odenthal | 415.58 mi (668.80 km) |
| Koscian to Oelde | 362.11 mi (582.77 km) |
| Koscian to Oelsnitz | 225.45 mi (362.82 km) |
| Koscian to Oer-Erkenschwick | 401.92 mi (646.83 km) |
