| Portsmouth to Ruggell | 539.73 mi (868.61 km) |
| Portsmouth to Schaan | 541.59 mi (871.61 km) |
| Portsmouth to Schellenberg | 540.73 mi (870.22 km) |
| Portsmouth to Triesen | 544.96 mi (877.03 km) |
| Portsmouth to Triesenberg | 544.70 mi (876.61 km) |
| Portsmouth to Vaduz | 542.98 mi (873.84 km) |
| Portsmouth to Alytus | 1,077.38 mi (1,733.88 km) |
| Portsmouth to Anyksciai | 1,125.04 mi (1,810.58 km) |
| Portsmouth to Aukstieji Paneriai | 1,124.17 mi (1,809.18 km) |
| Portsmouth to Birstonas | 1,077.05 mi (1,733.35 km) |
| Portsmouth to Birzai | 1,117.39 mi (1,798.27 km) |
| Portsmouth to Druskininkai | 1,072.96 mi (1,726.77 km) |
| Portsmouth to Elektrenai | 1,103.41 mi (1,775.76 km) |
| Portsmouth to Gargzdai | 984.14 mi (1,583.82 km) |
| Portsmouth to Garliava | 1,072.01 mi (1,725.23 km) |
