| Estarreja to Oberkirch | 976.12 mi (1,570.91 km) |
| Estarreja to Obernburg am Main | 1,061.10 mi (1,707.68 km) |
| Estarreja to Obernkirchen | 1,151.98 mi (1,853.94 km) |
| Estarreja to Oberschleissheim | 1,114.67 mi (1,793.89 km) |
| Estarreja to Oberstdorf | 1,038.81 mi (1,671.81 km) |
| Estarreja to Obertraubling | 1,157.92 mi (1,863.50 km) |
| Estarreja to Obertshausen | 1,057.14 mi (1,701.30 km) |
| Estarreja to Oberursel | 1,052.34 mi (1,693.58 km) |
| Estarreja to Ochsenfurt | 1,091.22 mi (1,756.14 km) |
| Estarreja to Ochsenhausen | 1,040.69 mi (1,674.82 km) |
| Estarreja to Ochtrup | 1,085.62 mi (1,747.14 km) |
| Estarreja to Odenthal | 1,032.19 mi (1,661.15 km) |
| Estarreja to Oelde | 1,101.13 mi (1,772.10 km) |
| Estarreja to Oelsnitz | 1,198.26 mi (1,928.41 km) |
| Estarreja to Oer-Erkenschwick | 1,062.73 mi (1,710.30 km) |
