| Sarno to Oberkirch | 621.80 mi (1,000.70 km) |
| Sarno to Obernburg am Main | 677.35 mi (1,090.09 km) |
| Sarno to Obernkirchen | 832.53 mi (1,339.83 km) |
| Sarno to Oberschleissheim | 534.99 mi (860.99 km) |
| Sarno to Oberstdorf | 503.59 mi (810.45 km) |
| Sarno to Obertraubling | 575.59 mi (926.32 km) |
| Sarno to Obertshausen | 697.38 mi (1,122.32 km) |
| Sarno to Oberursel | 710.85 mi (1,144.01 km) |
| Sarno to Ochsenfurt | 648.92 mi (1,044.34 km) |
| Sarno to Ochsenhausen | 551.41 mi (887.41 km) |
| Sarno to Ochtrup | 861.41 mi (1,386.31 km) |
| Sarno to Odenthal | 791.63 mi (1,274.01 km) |
| Sarno to Oelde | 820.53 mi (1,320.52 km) |
| Sarno to Oelsnitz | 673.68 mi (1,084.18 km) |
| Sarno to Oer-Erkenschwick | 825.68 mi (1,328.80 km) |
