| Sempeter pri Gorici to Opole | 382.16 mi (615.03 km) |
| Sempeter pri Gorici to Orzesze | 375.12 mi (603.70 km) |
| Sempeter pri Gorici to Osowa | 624.57 mi (1,005.15 km) |
| Sempeter pri Gorici to Ostroda | 606.02 mi (975.30 km) |
| Sempeter pri Gorici to Ostroleka | 607.37 mi (977.47 km) |
| Sempeter pri Gorici to Ostrow Mazowiecka | 602.21 mi (969.16 km) |
| Sempeter pri Gorici to Ostrow Wielkopolski | 438.49 mi (705.68 km) |
| Sempeter pri Gorici to Ostrowiec Swietokrzyski | 495.70 mi (797.75 km) |
| Sempeter pri Gorici to Ostrzeszow | 426.68 mi (686.67 km) |
| Sempeter pri Gorici to Oswiecim | 383.60 mi (617.34 km) |
| Sempeter pri Gorici to Otwock | 549.20 mi (883.84 km) |
| Sempeter pri Gorici to Ozarow Mazowiecki | 541.54 mi (871.52 km) |
| Sempeter pri Gorici to Ozimek | 389.31 mi (626.53 km) |
| Sempeter pri Gorici to Ozorkow | 489.24 mi (787.36 km) |
| Sempeter pri Gorici to Pabianice | 473.68 mi (762.31 km) |
