| Piedras Blancas to Oerlinghausen | 891.43 mi (1,434.61 km) |
| Piedras Blancas to Oestrich-Winkel | 795.05 mi (1,279.50 km) |
| Piedras Blancas to Offenburg | 747.07 mi (1,202.30 km) |
| Piedras Blancas to Oftersheim | 798.89 mi (1,285.70 km) |
| Piedras Blancas to Ohrdruf | 928.18 mi (1,493.77 km) |
| Piedras Blancas to Ohringen | 832.10 mi (1,339.13 km) |
| Piedras Blancas to Olbernhau | 1,027.89 mi (1,654.22 km) |
| Piedras Blancas to Olching | 889.01 mi (1,430.73 km) |
| Piedras Blancas to Oldenburg | 925.76 mi (1,489.87 km) |
| Piedras Blancas to Oldenburg in Holstein | 1,060.86 mi (1,707.29 km) |
| Piedras Blancas to Olfen | 836.94 mi (1,346.92 km) |
| Piedras Blancas to Olpe | 824.94 mi (1,327.62 km) |
| Piedras Blancas to Olsberg | 861.11 mi (1,385.81 km) |
| Piedras Blancas to Oranienburg | 1,084.30 mi (1,745.01 km) |
| Piedras Blancas to Ortenberg | 847.81 mi (1,364.43 km) |
