| Zaragoza to Oerlinghausen | 842.25 mi (1,355.47 km) |
| Zaragoza to Oestrich-Winkel | 717.11 mi (1,154.07 km) |
| Zaragoza to Offenburg | 637.13 mi (1,025.36 km) |
| Zaragoza to Oftersheim | 702.26 mi (1,130.18 km) |
| Zaragoza to Ohrdruf | 840.79 mi (1,353.12 km) |
| Zaragoza to Ohringen | 723.74 mi (1,164.74 km) |
| Zaragoza to Olbernhau | 919.64 mi (1,480.02 km) |
| Zaragoza to Olching | 747.53 mi (1,203.03 km) |
| Zaragoza to Oldenburg | 899.30 mi (1,447.28 km) |
| Zaragoza to Oldenburg in Holstein | 1,026.60 mi (1,652.16 km) |
| Zaragoza to Olfen | 797.15 mi (1,282.88 km) |
| Zaragoza to Olpe | 768.07 mi (1,236.08 km) |
| Zaragoza to Olsberg | 803.33 mi (1,292.84 km) |
| Zaragoza to Oranienburg | 1,010.26 mi (1,625.85 km) |
| Zaragoza to Ortenberg | 766.29 mi (1,233.22 km) |
