| Cities | Distance |
|---|---|
| Riga to Oerlinghausen | 707.00 mi (1,137.80 km) |
| Riga to Oestrich-Winkel | 814.79 mi (1,311.27 km) |
| Riga to Offenburg | 891.49 mi (1,434.72 km) |
| Riga to Oftersheim | 825.96 mi (1,329.25 km) |
| Riga to Ohrdruf | 687.51 mi (1,106.44 km) |
| Riga to Ohringen | 805.88 mi (1,296.95 km) |
| Riga to Olbernhau | 616.40 mi (992.00 km) |
| Riga to Olching | 806.00 mi (1,297.13 km) |
| Riga to Oldenburg | 679.81 mi (1,094.04 km) |
| Riga to Oldenburg in Holstein | 546.30 mi (879.18 km) |
| Riga to Olfen | 761.78 mi (1,225.97 km) |
| Riga to Olpe | 774.98 mi (1,247.21 km) |
| Riga to Olsberg | 738.62 mi (1,188.70 km) |
| Riga to Oranienburg | 519.57 mi (836.17 km) |
| Riga to Ortenberg | 763.70 mi (1,229.06 km) |