| Porsgrunn to Runcorn | 620.84 mi (999.15 km) |
| Porsgrunn to Rushall | 635.99 mi (1,023.52 km) |
| Porsgrunn to Rushden | 618.05 mi (994.65 km) |
| Porsgrunn to Rustington | 700.83 mi (1,127.87 km) |
| Porsgrunn to Rutherglen | 563.61 mi (907.05 km) |
| Porsgrunn to Ryde | 720.80 mi (1,160.02 km) |
| Porsgrunn to Rye | 665.62 mi (1,071.21 km) |
| Porsgrunn to Ryhope | 508.95 mi (819.07 km) |
| Porsgrunn to Saffron Walden | 612.78 mi (986.17 km) |
| Porsgrunn to Saint Albans | 641.78 mi (1,032.85 km) |
| Porsgrunn to Saint Andrews | 498.65 mi (802.50 km) |
| Porsgrunn to Saint Austell | 834.61 mi (1,343.17 km) |
| Porsgrunn to Saint Budeaux | 814.93 mi (1,311.50 km) |
| Porsgrunn to Saint Helens | 616.07 mi (991.48 km) |
| Porsgrunn to Saint Ives | 602.51 mi (969.65 km) |
