| Guernica y Luno to Oberkirch | 629.02 mi (1,012.31 km) |
| Guernica y Luno to Obernburg am Main | 718.03 mi (1,155.56 km) |
| Guernica y Luno to Obernkirchen | 823.53 mi (1,325.34 km) |
| Guernica y Luno to Oberschleissheim | 764.25 mi (1,229.94 km) |
| Guernica y Luno to Oberstdorf | 688.05 mi (1,107.31 km) |
| Guernica y Luno to Obertraubling | 808.35 mi (1,300.92 km) |
| Guernica y Luno to Obertshausen | 715.91 mi (1,152.14 km) |
| Guernica y Luno to Oberursel | 712.49 mi (1,146.65 km) |
| Guernica y Luno to Ochsenfurt | 745.69 mi (1,200.08 km) |
| Guernica y Luno to Ochsenhausen | 690.61 mi (1,111.43 km) |
| Guernica y Luno to Ochtrup | 764.56 mi (1,230.45 km) |
| Guernica y Luno to Odenthal | 702.63 mi (1,130.78 km) |
| Guernica y Luno to Oelde | 773.24 mi (1,244.41 km) |
| Guernica y Luno to Oelsnitz | 852.88 mi (1,372.59 km) |
| Guernica y Luno to Oer-Erkenschwick | 737.13 mi (1,186.29 km) |
