| Torrejon de Ardoz to Oerlinghausen | 982.17 mi (1,580.64 km) |
| Torrejon de Ardoz to Oestrich-Winkel | 862.50 mi (1,388.05 km) |
| Torrejon de Ardoz to Offenburg | 788.12 mi (1,268.36 km) |
| Torrejon de Ardoz to Oftersheim | 851.44 mi (1,370.26 km) |
| Torrejon de Ardoz to Ohrdruf | 989.42 mi (1,592.32 km) |
| Torrejon de Ardoz to Ohringen | 875.33 mi (1,408.71 km) |
| Torrejon de Ardoz to Olbernhau | 1,072.57 mi (1,726.13 km) |
| Torrejon de Ardoz to Olching | 904.09 mi (1,454.99 km) |
| Torrejon de Ardoz to Oldenburg | 1,033.72 mi (1,663.61 km) |
| Torrejon de Ardoz to Oldenburg in Holstein | 1,164.30 mi (1,873.76 km) |
| Torrejon de Ardoz to Olfen | 934.08 mi (1,503.25 km) |
| Torrejon de Ardoz to Olpe | 909.08 mi (1,463.02 km) |
| Torrejon de Ardoz to Olsberg | 944.98 mi (1,520.80 km) |
| Torrejon de Ardoz to Oranienburg | 1,157.34 mi (1,862.56 km) |
| Torrejon de Ardoz to Ortenberg | 913.02 mi (1,469.36 km) |
