| Smederevo to Nasaud | 246.24 mi (396.29 km) |
| Smederevo to Navodari | 379.34 mi (610.49 km) |
| Smederevo to Negresti-Oas | 251.51 mi (404.77 km) |
| Smederevo to Nehoiu | 266.86 mi (429.46 km) |
| Smederevo to Ocna Mures | 185.35 mi (298.29 km) |
| Smederevo to Odobesti | 308.23 mi (496.05 km) |
| Smederevo to Odorheiu Secuiesc | 240.51 mi (387.07 km) |
| Smederevo to Oltenita | 284.63 mi (458.06 km) |
| Smederevo to Onesti | 303.64 mi (488.67 km) |
| Smederevo to Oradea | 173.14 mi (278.65 km) |
| Smederevo to Orastie | 137.56 mi (221.37 km) |
| Smederevo to Oravita | 45.29 mi (72.89 km) |
| Smederevo to Orsova | 72.19 mi (116.18 km) |
| Smederevo to Otelu Rosu | 91.19 mi (146.76 km) |
| Smederevo to Otopeni | 252.97 mi (407.12 km) |
