| Sremska Mitrovica to Noventa Vicentina | 394.28 mi (634.52 km) |
| Sremska Mitrovica to Novi di Modena | 425.95 mi (685.50 km) |
| Sremska Mitrovica to Novi Ligure | 530.02 mi (852.98 km) |
| Sremska Mitrovica to Nuoro | 612.73 mi (986.09 km) |
| Sremska Mitrovica to Occhiobello | 392.60 mi (631.84 km) |
| Sremska Mitrovica to Oderzo | 349.94 mi (563.18 km) |
| Sremska Mitrovica to Oggiono | 500.89 mi (806.10 km) |
| Sremska Mitrovica to Olbia | 582.52 mi (937.47 km) |
| Sremska Mitrovica to Oleggio | 535.08 mi (861.13 km) |
| Sremska Mitrovica to Olgiate Comasco | 519.34 mi (835.80 km) |
| Sremska Mitrovica to Olgiate Olona | 523.04 mi (841.75 km) |
| Sremska Mitrovica to Omegna | 546.55 mi (879.58 km) |
| Sremska Mitrovica to Opera | 506.78 mi (815.59 km) |
| Sremska Mitrovica to Oppeano | 411.29 mi (661.91 km) |
| Sremska Mitrovica to Orbassano | 589.55 mi (948.78 km) |
