| Piedras Blancas to Nuth | 751.90 mi (1,210.07 km) |
| Piedras Blancas to Oegstgeest | 766.04 mi (1,232.82 km) |
| Piedras Blancas to Oirschot | 758.40 mi (1,220.53 km) |
| Piedras Blancas to Oisterwijk | 759.09 mi (1,221.63 km) |
| Piedras Blancas to Oldebroek | 821.74 mi (1,322.46 km) |
| Piedras Blancas to Oldenzaal | 847.95 mi (1,364.65 km) |
| Piedras Blancas to Ommen | 840.77 mi (1,353.09 km) |
| Piedras Blancas to Oosterend | 853.45 mi (1,373.50 km) |
| Piedras Blancas to Oosterhout | 751.17 mi (1,208.90 km) |
| Piedras Blancas to Oosterwolde | 859.46 mi (1,383.16 km) |
| Piedras Blancas to Oostzaan | 790.68 mi (1,272.48 km) |
| Piedras Blancas to Opmeer | 806.04 mi (1,297.20 km) |
| Piedras Blancas to Oss | 777.65 mi (1,251.51 km) |
| Piedras Blancas to Oud-Beijerland | 745.75 mi (1,200.16 km) |
| Piedras Blancas to Oudenbosch | 738.33 mi (1,188.23 km) |
