| Biarritz to Oestrich-Winkel | 637.67 mi (1,026.23 km) |
| Biarritz to Offenburg | 570.72 mi (918.49 km) |
| Biarritz to Oftersheim | 630.78 mi (1,015.13 km) |
| Biarritz to Ohrdruf | 767.22 mi (1,234.72 km) |
| Biarritz to Ohringen | 658.08 mi (1,059.08 km) |
| Biarritz to Olbernhau | 856.37 mi (1,378.19 km) |
| Biarritz to Olching | 699.13 mi (1,125.15 km) |
| Biarritz to Oldenburg | 803.12 mi (1,292.49 km) |
| Biarritz to Oldenburg in Holstein | 934.36 mi (1,503.71 km) |
| Biarritz to Olfen | 704.22 mi (1,133.34 km) |
| Biarritz to Olpe | 681.00 mi (1,095.97 km) |
| Biarritz to Olsberg | 717.14 mi (1,154.12 km) |
| Biarritz to Oranienburg | 932.86 mi (1,501.30 km) |
| Biarritz to Ortenberg | 689.17 mi (1,109.11 km) |
| Biarritz to Oschatz | 870.60 mi (1,401.09 km) |
