| Cities | Distance |
|---|
| Porsgrunn to Nazarje | 910.21 mi (1,464.84 km) |
| Porsgrunn to Nova Gorica | 923.76 mi (1,486.64 km) |
| Porsgrunn to Nova Vas | 943.18 mi (1,517.90 km) |
| Porsgrunn to Novo Mesto | 947.49 mi (1,524.84 km) |
| Porsgrunn to Odranci | 906.99 mi (1,459.66 km) |
| Porsgrunn to Oplotnica | 910.83 mi (1,465.84 km) |
| Porsgrunn to Ormoz | 917.27 mi (1,476.20 km) |
| Porsgrunn to Osilnica | 961.43 mi (1,547.28 km) |
| Porsgrunn to Pesnica | 898.26 mi (1,445.61 km) |
| Porsgrunn to Piran | 952.43 mi (1,532.79 km) |
| Porsgrunn to Pivka | 946.66 mi (1,523.49 km) |
| Porsgrunn to Podcetrtek | 927.86 mi (1,493.25 km) |
| Porsgrunn to Podlehnik | 918.98 mi (1,478.96 km) |
| Porsgrunn to Podvelka | 896.09 mi (1,442.11 km) |
| Porsgrunn to Poljcane | 917.15 mi (1,476.01 km) |
