| Welzheim to Oberkirch | 74.56 mi (119.99 km) |
| Welzheim to Obernburg am Main | 70.29 mi (113.12 km) |
| Welzheim to Obernkirchen | 235.44 mi (378.90 km) |
| Welzheim to Oberschleissheim | 98.33 mi (158.25 km) |
| Welzheim to Oberstdorf | 105.50 mi (169.78 km) |
| Welzheim to Obertraubling | 115.15 mi (185.31 km) |
| Welzheim to Obertshausen | 89.87 mi (144.63 km) |
| Welzheim to Oberursel | 103.32 mi (166.27 km) |
| Welzheim to Ochsenfurt | 57.00 mi (91.74 km) |
| Welzheim to Ochsenhausen | 57.28 mi (92.18 km) |
| Welzheim to Ochtrup | 253.90 mi (408.61 km) |
| Welzheim to Odenthal | 186.45 mi (300.06 km) |
| Welzheim to Oelde | 214.63 mi (345.41 km) |
| Welzheim to Oelsnitz | 155.50 mi (250.26 km) |
| Welzheim to Oer-Erkenschwick | 218.26 mi (351.25 km) |
