| Laguna de Duero to Oerlinghausen | 953.92 mi (1,535.18 km) |
| Laguna de Duero to Oestrich-Winkel | 842.56 mi (1,355.97 km) |
| Laguna de Duero to Offenburg | 777.95 mi (1,251.99 km) |
| Laguna de Duero to Oftersheim | 837.38 mi (1,347.64 km) |
| Laguna de Duero to Ohrdruf | 973.13 mi (1,566.11 km) |
| Laguna de Duero to Ohringen | 865.27 mi (1,392.52 km) |
| Laguna de Duero to Olbernhau | 1,063.56 mi (1,711.63 km) |
| Laguna de Duero to Olching | 905.65 mi (1,457.51 km) |
| Laguna de Duero to Oldenburg | 998.87 mi (1,607.52 km) |
| Laguna de Duero to Oldenburg in Holstein | 1,132.04 mi (1,821.85 km) |
| Laguna de Duero to Olfen | 902.86 mi (1,453.02 km) |
| Laguna de Duero to Olpe | 882.89 mi (1,420.87 km) |
| Laguna de Duero to Olsberg | 919.20 mi (1,479.32 km) |
| Laguna de Duero to Oranienburg | 1,137.40 mi (1,830.47 km) |
| Laguna de Duero to Ortenberg | 894.48 mi (1,439.53 km) |
