| Smederevska Palanka to Orbetello | 506.68 mi (815.42 km) |
| Smederevska Palanka to Oria | 316.30 mi (509.04 km) |
| Smederevska Palanka to Oristano | 703.60 mi (1,132.34 km) |
| Smederevska Palanka to Orta Nova | 338.43 mi (544.66 km) |
| Smederevska Palanka to Orte | 449.70 mi (723.72 km) |
| Smederevska Palanka to Ortona | 357.57 mi (575.45 km) |
| Smederevska Palanka to Orvieto | 457.28 mi (735.93 km) |
| Smederevska Palanka to Orzinuovi | 544.03 mi (875.54 km) |
| Smederevska Palanka to Osimo | 376.83 mi (606.46 km) |
| Smederevska Palanka to Ospitaletto | 538.07 mi (865.93 km) |
| Smederevska Palanka to Ostuni | 304.07 mi (489.36 km) |
| Smederevska Palanka to Ottaviano | 409.21 mi (658.56 km) |
| Smederevska Palanka to Ovada | 606.45 mi (975.99 km) |
| Smederevska Palanka to Ozieri | 662.07 mi (1,065.51 km) |
| Smederevska Palanka to Paceco | 620.40 mi (998.43 km) |
