| Betanzos to Oberkirch | 861.11 mi (1,385.82 km) |
| Betanzos to Obernburg am Main | 937.60 mi (1,508.93 km) |
| Betanzos to Obernkirchen | 1,012.02 mi (1,628.69 km) |
| Betanzos to Oberschleissheim | 1,009.78 mi (1,625.08 km) |
| Betanzos to Oberstdorf | 939.52 mi (1,512.01 km) |
| Betanzos to Obertraubling | 1,047.93 mi (1,686.48 km) |
| Betanzos to Obertshausen | 931.11 mi (1,498.48 km) |
| Betanzos to Oberursel | 924.62 mi (1,488.03 km) |
| Betanzos to Ochsenfurt | 971.41 mi (1,563.34 km) |
| Betanzos to Ochsenhausen | 934.35 mi (1,503.70 km) |
| Betanzos to Ochtrup | 941.24 mi (1,514.78 km) |
| Betanzos to Odenthal | 894.65 mi (1,439.80 km) |
| Betanzos to Oelde | 961.34 mi (1,547.13 km) |
| Betanzos to Oelsnitz | 1,077.01 mi (1,733.27 km) |
| Betanzos to Oer-Erkenschwick | 921.73 mi (1,483.39 km) |
