| Portsmouth to Zola Predosa | 718.60 mi (1,156.48 km) |
| Portsmouth to Adazi | 1,112.50 mi (1,790.40 km) |
| Portsmouth to Aizkraukle | 1,140.78 mi (1,835.90 km) |
| Portsmouth to Aluksne | 1,216.81 mi (1,958.27 km) |
| Portsmouth to Balvi | 1,220.99 mi (1,964.99 km) |
| Portsmouth to Bauska | 1,098.63 mi (1,768.08 km) |
| Portsmouth to Cesis | 1,150.25 mi (1,851.15 km) |
| Portsmouth to Daugavpils | 1,183.02 mi (1,903.89 km) |
| Portsmouth to Dobele | 1,066.65 mi (1,716.61 km) |
| Portsmouth to Gulbene | 1,202.86 mi (1,935.81 km) |
| Portsmouth to Jekabpils | 1,163.16 mi (1,871.92 km) |
| Portsmouth to Jelgava | 1,083.74 mi (1,744.11 km) |
| Portsmouth to Jurmala | 1,090.37 mi (1,754.78 km) |
| Portsmouth to Kekava | 1,105.55 mi (1,779.21 km) |
| Portsmouth to Kraslava | 1,207.43 mi (1,943.17 km) |
