| Stuttgart to Navodari | 970.22 mi (1,561.42 km) |
| Stuttgart to Negresti-Oas | 656.44 mi (1,056.43 km) |
| Stuttgart to Nehoiu | 837.92 mi (1,348.50 km) |
| Stuttgart to Ocna Mures | 702.54 mi (1,130.63 km) |
| Stuttgart to Odobesti | 861.75 mi (1,386.85 km) |
| Stuttgart to Odorheiu Secuiesc | 769.33 mi (1,238.12 km) |
| Stuttgart to Oltenita | 889.72 mi (1,431.87 km) |
| Stuttgart to Onesti | 836.99 mi (1,347.01 km) |
| Stuttgart to Oradea | 600.80 mi (966.90 km) |
| Stuttgart to Orastie | 686.04 mi (1,104.07 km) |
| Stuttgart to Oravita | 643.28 mi (1,035.26 km) |
| Stuttgart to Orsova | 684.25 mi (1,101.19 km) |
| Stuttgart to Otelu Rosu | 657.64 mi (1,058.37 km) |
| Stuttgart to Otopeni | 850.29 mi (1,368.41 km) |
| Stuttgart to Ovidiu | 969.36 mi (1,560.03 km) |
