| Schleswig to Navodari | 1,102.37 mi (1,774.10 km) |
| Schleswig to Negresti-Oas | 753.35 mi (1,212.40 km) |
| Schleswig to Nehoiu | 972.81 mi (1,565.59 km) |
| Schleswig to Ocna Mures | 840.10 mi (1,352.00 km) |
| Schleswig to Odobesti | 978.22 mi (1,574.29 km) |
| Schleswig to Odorheiu Secuiesc | 891.52 mi (1,434.77 km) |
| Schleswig to Oltenita | 1,048.76 mi (1,687.81 km) |
| Schleswig to Onesti | 944.35 mi (1,519.79 km) |
| Schleswig to Oradea | 743.43 mi (1,196.44 km) |
| Schleswig to Orastie | 847.12 mi (1,363.30 km) |
| Schleswig to Oravita | 846.70 mi (1,362.63 km) |
| Schleswig to Orsova | 884.57 mi (1,423.57 km) |
| Schleswig to Otelu Rosu | 839.29 mi (1,350.70 km) |
| Schleswig to Otopeni | 1,006.22 mi (1,619.36 km) |
| Schleswig to Ovidiu | 1,103.12 mi (1,775.30 km) |
