| Cities | Distance |
|---|---|
| Riga to Oberkirch | 883.45 mi (1,421.78 km) |
| Riga to Obernburg am Main | 785.42 mi (1,264.00 km) |
| Riga to Obernkirchen | 679.47 mi (1,093.50 km) |
| Riga to Oberschleissheim | 796.38 mi (1,281.64 km) |
| Riga to Oberstdorf | 878.53 mi (1,413.86 km) |
| Riga to Obertraubling | 740.36 mi (1,191.49 km) |
| Riga to Obertshausen | 784.47 mi (1,262.49 km) |
| Riga to Oberursel | 786.42 mi (1,265.61 km) |
| Riga to Ochsenfurt | 765.78 mi (1,232.41 km) |
| Riga to Ochsenhausen | 851.57 mi (1,370.47 km) |
| Riga to Ochtrup | 749.87 mi (1,206.79 km) |
| Riga to Odenthal | 798.90 mi (1,285.70 km) |
| Riga to Oelde | 730.31 mi (1,175.32 km) |
| Riga to Oelsnitz | 663.44 mi (1,067.71 km) |
| Riga to Oer-Erkenschwick | 769.38 mi (1,238.20 km) |