| Betanzos to Oerlinghausen | 984.96 mi (1,585.14 km) |
| Betanzos to Oestrich-Winkel | 895.52 mi (1,441.20 km) |
| Betanzos to Offenburg | 853.13 mi (1,372.97 km) |
| Betanzos to Oftersheim | 902.39 mi (1,452.26 km) |
| Betanzos to Ohrdruf | 1,028.70 mi (1,655.54 km) |
| Betanzos to Ohringen | 937.00 mi (1,507.95 km) |
| Betanzos to Olbernhau | 1,131.06 mi (1,820.27 km) |
| Betanzos to Olching | 997.80 mi (1,605.80 km) |
| Betanzos to Oldenburg | 1,013.67 mi (1,631.35 km) |
| Betanzos to Oldenburg in Holstein | 1,148.85 mi (1,848.90 km) |
| Betanzos to Olfen | 929.29 mi (1,495.55 km) |
| Betanzos to Olpe | 921.04 mi (1,482.28 km) |
| Betanzos to Olsberg | 956.85 mi (1,539.90 km) |
| Betanzos to Oranienburg | 1,180.79 mi (1,900.30 km) |
| Betanzos to Ortenberg | 948.21 mi (1,526.00 km) |
