| Ludlow to Oberkirch | 543.29 mi (874.34 km) |
| Ludlow to Obernburg am Main | 542.60 mi (873.23 km) |
| Ludlow to Obernkirchen | 499.39 mi (803.69 km) |
| Ludlow to Oberschleissheim | 690.03 mi (1,110.49 km) |
| Ludlow to Oberstdorf | 670.95 mi (1,079.79 km) |
| Ludlow to Obertraubling | 691.42 mi (1,112.73 km) |
| Ludlow to Obertshausen | 523.92 mi (843.17 km) |
| Ludlow to Oberursel | 509.88 mi (820.57 km) |
| Ludlow to Ochsenfurt | 585.73 mi (942.64 km) |
| Ludlow to Ochsenhausen | 632.54 mi (1,017.97 km) |
| Ludlow to Ochtrup | 418.60 mi (673.67 km) |
| Ludlow to Odenthal | 430.75 mi (693.23 km) |
| Ludlow to Oelde | 462.30 mi (744.00 km) |
| Ludlow to Oelsnitz | 654.48 mi (1,053.29 km) |
| Ludlow to Oer-Erkenschwick | 426.61 mi (686.57 km) |
