| Gmunden to Oignies | 518.19 mi (833.95 km) |
| Gmunden to Oissel | 587.86 mi (946.07 km) |
| Gmunden to Olivet | 550.74 mi (886.33 km) |
| Gmunden to Ollioules | 506.67 mi (815.40 km) |
| Gmunden to Olonne-sur-Mer | 735.59 mi (1,183.82 km) |
| Gmunden to Oloron-Sainte-Marie | 768.02 mi (1,236.00 km) |
| Gmunden to Onet Village | 589.21 mi (948.23 km) |
| Gmunden to Onnaing | 491.07 mi (790.30 km) |
| Gmunden to Orange | 503.69 mi (810.60 km) |
| Gmunden to Orchies | 507.71 mi (817.07 km) |
| Gmunden to Orleans | 550.13 mi (885.35 km) |
| Gmunden to Orly | 526.56 mi (847.41 km) |
| Gmunden to Ormesson-sur-Marne | 520.04 mi (836.93 km) |
| Gmunden to Orsay | 535.82 mi (862.32 km) |
| Gmunden to Orthez | 765.24 mi (1,231.53 km) |
