| Ilirska Bistrica to Nuth | 533.14 mi (858.00 km) |
| Ilirska Bistrica to Oegstgeest | 636.65 mi (1,024.59 km) |
| Ilirska Bistrica to Oirschot | 578.66 mi (931.27 km) |
| Ilirska Bistrica to Oisterwijk | 585.70 mi (942.59 km) |
| Ilirska Bistrica to Oldebroek | 606.97 mi (976.82 km) |
| Ilirska Bistrica to Oldenzaal | 571.88 mi (920.36 km) |
| Ilirska Bistrica to Ommen | 596.31 mi (959.66 km) |
| Ilirska Bistrica to Oosterend | 631.64 mi (1,016.53 km) |
| Ilirska Bistrica to Oosterhout | 599.49 mi (964.79 km) |
| Ilirska Bistrica to Oosterwolde | 625.10 mi (1,006.00 km) |
| Ilirska Bistrica to Oostzaan | 635.67 mi (1,023.02 km) |
| Ilirska Bistrica to Opmeer | 646.78 mi (1,040.90 km) |
| Ilirska Bistrica to Oss | 584.31 mi (940.35 km) |
| Ilirska Bistrica to Oud-Beijerland | 622.16 mi (1,001.27 km) |
| Ilirska Bistrica to Oudenbosch | 608.03 mi (978.54 km) |
