| Sanlucar la Mayor to Nasaud | 1,692.30 mi (2,723.49 km) |
| Sanlucar la Mayor to Navodari | 1,866.20 mi (3,003.35 km) |
| Sanlucar la Mayor to Negresti-Oas | 1,657.48 mi (2,667.45 km) |
| Sanlucar la Mayor to Nehoiu | 1,759.30 mi (2,831.31 km) |
| Sanlucar la Mayor to Ocna Mures | 1,654.25 mi (2,662.25 km) |
| Sanlucar la Mayor to Odobesti | 1,799.26 mi (2,895.63 km) |
| Sanlucar la Mayor to Odorheiu Secuiesc | 1,720.91 mi (2,769.54 km) |
| Sanlucar la Mayor to Oltenita | 1,767.54 mi (2,844.58 km) |
| Sanlucar la Mayor to Onesti | 1,789.55 mi (2,879.99 km) |
| Sanlucar la Mayor to Oradea | 1,575.45 mi (2,535.44 km) |
| Sanlucar la Mayor to Orastie | 1,616.11 mi (2,600.87 km) |
| Sanlucar la Mayor to Oravita | 1,533.68 mi (2,468.22 km) |
| Sanlucar la Mayor to Orsova | 1,564.35 mi (2,517.58 km) |
| Sanlucar la Mayor to Otelu Rosu | 1,571.66 mi (2,529.34 km) |
| Sanlucar la Mayor to Otopeni | 1,742.11 mi (2,803.66 km) |
