| Santurce-Antiguo to Oerlinghausen | 805.86 mi (1,296.90 km) |
| Santurce-Antiguo to Oestrich-Winkel | 695.82 mi (1,119.81 km) |
| Santurce-Antiguo to Offenburg | 634.59 mi (1,021.27 km) |
| Santurce-Antiguo to Oftersheim | 692.32 mi (1,114.18 km) |
| Santurce-Antiguo to Ohrdruf | 827.06 mi (1,331.03 km) |
| Santurce-Antiguo to Ohringen | 721.58 mi (1,161.27 km) |
| Santurce-Antiguo to Olbernhau | 919.69 mi (1,480.10 km) |
| Santurce-Antiguo to Olching | 767.46 mi (1,235.11 km) |
| Santurce-Antiguo to Oldenburg | 850.86 mi (1,369.33 km) |
| Santurce-Antiguo to Oldenburg in Holstein | 983.92 mi (1,583.47 km) |
| Santurce-Antiguo to Olfen | 754.72 mi (1,214.60 km) |
| Santurce-Antiguo to Olpe | 735.03 mi (1,182.92 km) |
| Santurce-Antiguo to Olsberg | 771.37 mi (1,241.40 km) |
| Santurce-Antiguo to Oranienburg | 990.27 mi (1,593.69 km) |
| Santurce-Antiguo to Ortenberg | 747.97 mi (1,203.75 km) |
