| Illingen to Octeville | 390.35 mi (628.20 km) |
| Illingen to Oignies | 195.67 mi (314.90 km) |
| Illingen to Oissel | 268.20 mi (431.63 km) |
| Illingen to Olivet | 257.40 mi (414.24 km) |
| Illingen to Ollioules | 434.75 mi (699.66 km) |
| Illingen to Olonne-sur-Mer | 452.69 mi (728.54 km) |
| Illingen to Oloron-Sainte-Marie | 561.73 mi (904.02 km) |
| Illingen to Onet Village | 405.08 mi (651.91 km) |
| Illingen to Onnaing | 168.90 mi (271.82 km) |
| Illingen to Orange | 377.12 mi (606.92 km) |
| Illingen to Orchies | 185.59 mi (298.68 km) |
| Illingen to Orleans | 255.89 mi (411.82 km) |
| Illingen to Orly | 215.41 mi (346.66 km) |
| Illingen to Ormesson-sur-Marne | 208.29 mi (335.22 km) |
| Illingen to Orsay | 225.25 mi (362.50 km) |
