| Ribeira Grande to Oberkirch | 1,828.98 mi (2,943.47 km) |
| Ribeira Grande to Obernburg am Main | 1,894.48 mi (3,048.87 km) |
| Ribeira Grande to Obernkirchen | 1,936.74 mi (3,116.88 km) |
| Ribeira Grande to Oberschleissheim | 1,983.51 mi (3,192.16 km) |
| Ribeira Grande to Oberstdorf | 1,916.98 mi (3,085.08 km) |
| Ribeira Grande to Obertraubling | 2,017.37 mi (3,246.64 km) |
| Ribeira Grande to Obertshausen | 1,884.68 mi (3,033.09 km) |
| Ribeira Grande to Oberursel | 1,875.88 mi (3,018.94 km) |
| Ribeira Grande to Ochsenfurt | 1,932.14 mi (3,109.48 km) |
| Ribeira Grande to Ochsenhausen | 1,907.93 mi (3,070.52 km) |
| Ribeira Grande to Ochtrup | 1,857.96 mi (2,990.10 km) |
| Ribeira Grande to Odenthal | 1,829.61 mi (2,944.47 km) |
| Ribeira Grande to Oelde | 1,888.57 mi (3,039.35 km) |
| Ribeira Grande to Oelsnitz | 2,033.76 mi (3,273.02 km) |
| Ribeira Grande to Oer-Erkenschwick | 1,847.90 mi (2,973.90 km) |
