| Requena to Oerlinghausen | 980.64 mi (1,578.19 km) |
| Requena to Oestrich-Winkel | 851.35 mi (1,370.12 km) |
| Requena to Offenburg | 764.89 mi (1,230.97 km) |
| Requena to Oftersheim | 832.09 mi (1,339.13 km) |
| Requena to Ohrdruf | 970.36 mi (1,561.65 km) |
| Requena to Ohringen | 849.69 mi (1,367.44 km) |
| Requena to Olbernhau | 1,041.71 mi (1,676.46 km) |
| Requena to Olching | 861.37 mi (1,386.24 km) |
| Requena to Oldenburg | 1,041.09 mi (1,675.48 km) |
| Requena to Oldenburg in Holstein | 1,165.89 mi (1,876.33 km) |
| Requena to Olfen | 937.84 mi (1,509.32 km) |
| Requena to Olpe | 905.99 mi (1,458.05 km) |
| Requena to Olsberg | 940.54 mi (1,513.65 km) |
| Requena to Oranienburg | 1,140.94 mi (1,836.16 km) |
| Requena to Ortenberg | 898.71 mi (1,446.34 km) |
