| Smederevo to Opwijk | 887.78 mi (1,428.74 km) |
| Smederevo to Ostend | 945.32 mi (1,521.34 km) |
| Smederevo to Oud-Heverlee | 864.79 mi (1,391.74 km) |
| Smederevo to Oud-Turnhout | 866.14 mi (1,393.92 km) |
| Smederevo to Oudenaarde | 908.30 mi (1,461.76 km) |
| Smederevo to Oudenburg | 940.99 mi (1,514.38 km) |
| Smederevo to Oupeye | 822.28 mi (1,323.34 km) |
| Smederevo to Overijse | 868.80 mi (1,398.20 km) |
| Smederevo to Overpelt | 846.27 mi (1,361.94 km) |
| Smederevo to Paal | 850.49 mi (1,368.74 km) |
| Smederevo to Peer | 842.28 mi (1,355.52 km) |
| Smederevo to Pepinster | 811.31 mi (1,305.67 km) |
| Smederevo to Peruwelz | 900.86 mi (1,449.79 km) |
| Smederevo to Perwez | 853.19 mi (1,373.07 km) |
| Smederevo to Philippeville | 853.32 mi (1,373.28 km) |
