| Knokke-Heist to Nowy Sacz | 772.70 mi (1,243.53 km) |
| Knokke-Heist to Nowy Targ | 746.34 mi (1,201.11 km) |
| Knokke-Heist to Nowy Tomysl | 551.92 mi (888.24 km) |
| Knokke-Heist to Nysa | 614.01 mi (988.16 km) |
| Knokke-Heist to Oborniki | 581.75 mi (936.24 km) |
| Knokke-Heist to Oborniki Slaskie | 587.07 mi (944.79 km) |
| Knokke-Heist to Olawa | 607.24 mi (977.25 km) |
| Knokke-Heist to Olecko | 823.12 mi (1,324.68 km) |
| Knokke-Heist to Olesnica | 608.49 mi (979.28 km) |
| Knokke-Heist to Olesno | 655.96 mi (1,055.67 km) |
| Knokke-Heist to Olkusz | 712.95 mi (1,147.39 km) |
| Knokke-Heist to Olsztyn | 739.52 mi (1,190.14 km) |
| Knokke-Heist to Opalenica | 563.74 mi (907.25 km) |
| Knokke-Heist to Opoczno | 731.81 mi (1,177.74 km) |
| Knokke-Heist to Opole | 637.43 mi (1,025.85 km) |
