| Cities | Distance |
|---|---|
| Portsmouth to Os | 698.92 mi (1,124.80 km) |
| Portsmouth to Oslo | 779.66 mi (1,254.75 km) |
| Portsmouth to Porsgrunn | 714.46 mi (1,149.81 km) |
| Portsmouth to Randaberg | 625.03 mi (1,005.88 km) |
| Portsmouth to Ringsaker | 840.02 mi (1,351.88 km) |
| Portsmouth to Royken | 763.23 mi (1,228.30 km) |
| Portsmouth to Rygge | 751.58 mi (1,209.55 km) |
| Portsmouth to Sand | 727.62 mi (1,171.00 km) |
| Portsmouth to Sande | 750.86 mi (1,208.40 km) |
| Portsmouth to Sandefjord | 727.25 mi (1,170.40 km) |
| Portsmouth to Sandnes | 617.96 mi (994.52 km) |
| Portsmouth to Sandvika | 773.03 mi (1,244.07 km) |
| Portsmouth to Sarpsborg | 756.87 mi (1,218.07 km) |
| Portsmouth to Sem | 737.47 mi (1,186.84 km) |
| Portsmouth to Ski | 774.45 mi (1,246.36 km) |