| Santa Maria a Monte to Oberkirch | 356.35 mi (573.50 km) |
| Santa Maria a Monte to Obernburg am Main | 430.44 mi (692.72 km) |
| Santa Maria a Monte to Obernkirchen | 596.25 mi (959.58 km) |
| Santa Maria a Monte to Oberschleissheim | 317.22 mi (510.51 km) |
| Santa Maria a Monte to Oberstdorf | 257.06 mi (413.70 km) |
| Santa Maria a Monte to Obertraubling | 370.63 mi (596.47 km) |
| Santa Maria a Monte to Obertshausen | 448.45 mi (721.71 km) |
| Santa Maria a Monte to Oberursel | 460.13 mi (740.51 km) |
| Santa Maria a Monte to Ochsenfurt | 412.14 mi (663.27 km) |
| Santa Maria a Monte to Ochsenhausen | 304.15 mi (489.48 km) |
| Santa Maria a Monte to Ochtrup | 609.31 mi (980.60 km) |
| Santa Maria a Monte to Odenthal | 533.30 mi (858.26 km) |
| Santa Maria a Monte to Oelde | 574.04 mi (923.84 km) |
| Santa Maria a Monte to Oelsnitz | 469.28 mi (755.23 km) |
| Santa Maria a Monte to Oer-Erkenschwick | 571.35 mi (919.50 km) |
