| Bad Ischl to Oignies | 516.77 mi (831.66 km) |
| Bad Ischl to Oissel | 583.70 mi (939.38 km) |
| Bad Ischl to Olivet | 543.80 mi (875.17 km) |
| Bad Ischl to Ollioules | 491.52 mi (791.03 km) |
| Bad Ischl to Olonne-sur-Mer | 727.15 mi (1,170.24 km) |
| Bad Ischl to Oloron-Sainte-Marie | 755.58 mi (1,215.99 km) |
| Bad Ischl to Onet Village | 576.67 mi (928.06 km) |
| Bad Ischl to Onnaing | 489.73 mi (788.14 km) |
| Bad Ischl to Orange | 489.88 mi (788.38 km) |
| Bad Ischl to Orchies | 506.40 mi (814.97 km) |
| Bad Ischl to Orleans | 543.27 mi (874.31 km) |
| Bad Ischl to Orly | 521.35 mi (839.04 km) |
| Bad Ischl to Ormesson-sur-Marne | 514.94 mi (828.71 km) |
| Bad Ischl to Orsay | 530.51 mi (853.77 km) |
| Bad Ischl to Orthez | 753.11 mi (1,212.02 km) |
