| Olivares to Oerlinghausen | 1,235.96 mi (1,989.08 km) |
| Olivares to Oestrich-Winkel | 1,116.52 mi (1,796.86 km) |
| Olivares to Offenburg | 1,040.89 mi (1,675.15 km) |
| Olivares to Oftersheim | 1,104.85 mi (1,778.08 km) |
| Olivares to Ohrdruf | 1,243.02 mi (2,000.45 km) |
| Olivares to Ohringen | 1,127.88 mi (1,815.15 km) |
| Olivares to Olbernhau | 1,324.46 mi (2,131.51 km) |
| Olivares to Olching | 1,152.34 mi (1,854.51 km) |
| Olivares to Oldenburg | 1,286.34 mi (2,070.17 km) |
| Olivares to Oldenburg in Holstein | 1,417.59 mi (2,281.39 km) |
| Olivares to Olfen | 1,187.41 mi (1,910.95 km) |
| Olivares to Olpe | 1,163.03 mi (1,871.71 km) |
| Olivares to Olsberg | 1,198.97 mi (1,929.55 km) |
| Olivares to Oranienburg | 1,411.26 mi (2,271.20 km) |
| Olivares to Ortenberg | 1,166.92 mi (1,877.98 km) |
