| Sulz am Neckar to Navodari | 989.91 mi (1,593.11 km) |
| Sulz am Neckar to Negresti-Oas | 682.14 mi (1,097.80 km) |
| Sulz am Neckar to Nehoiu | 858.38 mi (1,381.43 km) |
| Sulz am Neckar to Ocna Mures | 724.16 mi (1,165.42 km) |
| Sulz am Neckar to Odobesti | 883.68 mi (1,422.15 km) |
| Sulz am Neckar to Odorheiu Secuiesc | 791.61 mi (1,273.97 km) |
| Sulz am Neckar to Oltenita | 907.39 mi (1,460.31 km) |
| Sulz am Neckar to Onesti | 859.92 mi (1,383.91 km) |
| Sulz am Neckar to Oradea | 623.35 mi (1,003.18 km) |
| Sulz am Neckar to Orastie | 705.57 mi (1,135.50 km) |
| Sulz am Neckar to Oravita | 658.74 mi (1,060.14 km) |
| Sulz am Neckar to Orsova | 699.51 mi (1,125.76 km) |
| Sulz am Neckar to Otelu Rosu | 675.38 mi (1,086.91 km) |
| Sulz am Neckar to Otopeni | 868.60 mi (1,397.88 km) |
| Sulz am Neckar to Ovidiu | 988.91 mi (1,591.49 km) |
