| Iglesias to Oberkirch | 637.20 mi (1,025.47 km) |
| Iglesias to Obernburg am Main | 727.70 mi (1,171.12 km) |
| Iglesias to Obernkirchen | 895.17 mi (1,440.64 km) |
| Iglesias to Oberschleissheim | 635.37 mi (1,022.53 km) |
| Iglesias to Oberstdorf | 565.97 mi (910.83 km) |
| Iglesias to Obertraubling | 690.39 mi (1,111.07 km) |
| Iglesias to Obertshausen | 742.90 mi (1,195.58 km) |
| Iglesias to Oberursel | 752.19 mi (1,210.54 km) |
| Iglesias to Ochsenfurt | 717.91 mi (1,155.36 km) |
| Iglesias to Ochsenhausen | 609.03 mi (980.14 km) |
| Iglesias to Ochtrup | 892.85 mi (1,436.90 km) |
| Iglesias to Odenthal | 812.43 mi (1,307.48 km) |
| Iglesias to Oelde | 865.01 mi (1,392.10 km) |
| Iglesias to Oelsnitz | 787.05 mi (1,266.64 km) |
| Iglesias to Oer-Erkenschwick | 853.84 mi (1,374.12 km) |
