| Potomac to Oskarshamn | 4,132.66 mi (6,650.88 km) |
| Potomac to Ostersund | 3,910.14 mi (6,292.77 km) |
| Potomac to Oxelosund | 4,112.01 mi (6,617.64 km) |
| Potomac to Ronneby | 4,125.32 mi (6,639.06 km) |
| Potomac to Saffle | 3,962.71 mi (6,377.36 km) |
| Potomac to Sala | 4,058.45 mi (6,531.45 km) |
| Potomac to Saltsjobaden | 4,130.50 mi (6,647.39 km) |
| Potomac to Sandviken | 4,043.88 mi (6,508.00 km) |
| Potomac to Sater | 4,019.43 mi (6,468.65 km) |
| Potomac to Savja | 4,095.89 mi (6,591.70 km) |
| Potomac to Sjobo | 4,087.52 mi (6,578.22 km) |
| Potomac to Skara | 3,999.49 mi (6,436.56 km) |
| Potomac to Skelleftea | 4,042.36 mi (6,505.56 km) |
| Potomac to Skoghall | 3,973.65 mi (6,394.97 km) |
| Potomac to Skovde | 4,013.32 mi (6,458.82 km) |
