| Porsgrunn to Queluz | 1,636.71 mi (2,634.03 km) |
| Porsgrunn to Reguengos de Monsaraz | 1,620.57 mi (2,608.05 km) |
| Porsgrunn to Resende | 1,460.12 mi (2,349.83 km) |
| Porsgrunn to Ribeira Brava | 2,202.44 mi (3,544.48 km) |
| Porsgrunn to Ribeira Grande | 2,139.79 mi (3,443.65 km) |
| Porsgrunn to Rio de Mouro | 1,637.10 mi (2,634.66 km) |
| Porsgrunn to Rio Maior | 1,592.72 mi (2,563.23 km) |
| Porsgrunn to Rio Tinto | 1,469.23 mi (2,364.50 km) |
| Porsgrunn to Sabugal | 1,488.29 mi (2,395.17 km) |
| Porsgrunn to Sacavem | 1,630.41 mi (2,623.89 km) |
| Porsgrunn to Salvaterra de Magos | 1,609.28 mi (2,589.88 km) |
| Porsgrunn to Santa Comba Dao | 1,507.63 mi (2,426.30 km) |
| Porsgrunn to Santa Cruz | 2,196.10 mi (3,534.27 km) |
| Porsgrunn to Santa Iria da Azoia | 1,626.76 mi (2,618.01 km) |
| Porsgrunn to Santarem | 1,593.46 mi (2,564.42 km) |
