| Diez to Octeville | 431.74 mi (694.82 km) |
| Diez to Oignies | 221.16 mi (355.92 km) |
| Diez to Oissel | 316.40 mi (509.20 km) |
| Diez to Olivet | 326.15 mi (524.89 km) |
| Diez to Ollioules | 510.02 mi (820.80 km) |
| Diez to Olonne-sur-Mer | 520.35 mi (837.43 km) |
| Diez to Oloron-Sainte-Marie | 641.23 mi (1,031.96 km) |
| Diez to Onet Village | 486.05 mi (782.22 km) |
| Diez to Onnaing | 194.62 mi (313.22 km) |
| Diez to Orange | 456.00 mi (733.87 km) |
| Diez to Orchies | 210.14 mi (338.18 km) |
| Diez to Orleans | 324.33 mi (521.96 km) |
| Diez to Orly | 275.86 mi (443.96 km) |
| Diez to Ormesson-sur-Marne | 268.64 mi (432.33 km) |
| Diez to Orsay | 285.66 mi (459.72 km) |
