| Grenade to Nowy Sacz | 1,000.75 mi (1,610.56 km) |
| Grenade to Nowy Targ | 968.41 mi (1,558.51 km) |
| Grenade to Nowy Tomysl | 901.65 mi (1,451.06 km) |
| Grenade to Nysa | 882.12 mi (1,419.64 km) |
| Grenade to Oborniki | 938.40 mi (1,510.21 km) |
| Grenade to Oborniki Slaskie | 891.82 mi (1,435.24 km) |
| Grenade to Olawa | 894.98 mi (1,440.33 km) |
| Grenade to Olecko | 1,188.34 mi (1,912.44 km) |
| Grenade to Olesnica | 906.77 mi (1,459.30 km) |
| Grenade to Olesno | 936.89 mi (1,507.78 km) |
| Grenade to Olkusz | 967.46 mi (1,556.98 km) |
| Grenade to Olsztyn | 1,107.99 mi (1,783.14 km) |
| Grenade to Opalenica | 911.03 mi (1,466.17 km) |
| Grenade to Opoczno | 1,025.09 mi (1,649.72 km) |
| Grenade to Opole | 911.67 mi (1,467.19 km) |
