| Kirkby to Oberkirch | 585.84 mi (942.81 km) |
| Kirkby to Obernburg am Main | 572.76 mi (921.76 km) |
| Kirkby to Obernkirchen | 507.11 mi (816.11 km) |
| Kirkby to Oberschleissheim | 724.73 mi (1,166.33 km) |
| Kirkby to Oberstdorf | 713.51 mi (1,148.28 km) |
| Kirkby to Obertraubling | 720.47 mi (1,159.48 km) |
| Kirkby to Obertshausen | 553.04 mi (890.03 km) |
| Kirkby to Oberursel | 538.51 mi (866.65 km) |
| Kirkby to Ochsenfurt | 615.01 mi (989.76 km) |
| Kirkby to Ochsenhausen | 672.43 mi (1,082.17 km) |
| Kirkby to Ochtrup | 429.40 mi (691.06 km) |
| Kirkby to Odenthal | 455.24 mi (732.64 km) |
| Kirkby to Oelde | 475.95 mi (765.97 km) |
| Kirkby to Oelsnitz | 673.73 mi (1,084.27 km) |
| Kirkby to Oer-Erkenschwick | 444.02 mi (714.59 km) |
