| Portsmouth to Kopavogur | 1,190.29 mi (1,915.59 km) |
| Portsmouth to Reykjavik | 1,192.61 mi (1,919.32 km) |
| Portsmouth to Saudharkrokur | 1,222.38 mi (1,967.24 km) |
| Portsmouth to Selfoss | 1,161.52 mi (1,869.29 km) |
| Portsmouth to An Cabhan | 343.83 mi (553.34 km) |
| Portsmouth to Arklow | 256.71 mi (413.13 km) |
| Portsmouth to Ashtown | 284.67 mi (458.13 km) |
| Portsmouth to Athy | 293.27 mi (471.97 km) |
| Portsmouth to Baile Atha Luain | 342.30 mi (550.87 km) |
| Portsmouth to Ballincollig | 332.12 mi (534.49 km) |
| Portsmouth to Blackrock | 276.50 mi (444.98 km) |
| Portsmouth to Carlow | 286.03 mi (460.32 km) |
| Portsmouth to Carrick on Shannon | 366.32 mi (589.54 km) |
| Portsmouth to Carrigaline | 322.92 mi (519.68 km) |
| Portsmouth to Castlebar | 405.53 mi (652.64 km) |
