| Zarautz to Oberkirch | 611.03 mi (983.36 km) |
| Zarautz to Obernburg am Main | 701.40 mi (1,128.80 km) |
| Zarautz to Obernkirchen | 810.36 mi (1,304.16 km) |
| Zarautz to Oberschleissheim | 744.10 mi (1,197.52 km) |
| Zarautz to Oberstdorf | 667.22 mi (1,073.79 km) |
| Zarautz to Obertraubling | 788.92 mi (1,269.64 km) |
| Zarautz to Obertshausen | 699.84 mi (1,126.29 km) |
| Zarautz to Oberursel | 696.83 mi (1,121.45 km) |
| Zarautz to Ochsenfurt | 728.19 mi (1,171.91 km) |
| Zarautz to Ochsenhausen | 670.85 mi (1,079.63 km) |
| Zarautz to Ochtrup | 753.01 mi (1,211.86 km) |
| Zarautz to Odenthal | 689.52 mi (1,109.67 km) |
| Zarautz to Oelde | 760.31 mi (1,223.59 km) |
| Zarautz to Oelsnitz | 835.33 mi (1,344.33 km) |
| Zarautz to Oer-Erkenschwick | 724.76 mi (1,166.38 km) |
