| Ontario to Oskarshamn | 5,585.20 mi (8,988.51 km) |
| Ontario to Ostersund | 5,225.50 mi (8,409.62 km) |
| Ontario to Oxelosund | 5,522.44 mi (8,887.50 km) |
| Ontario to Ronneby | 5,616.66 mi (9,039.14 km) |
| Ontario to Saffle | 5,404.49 mi (8,697.68 km) |
| Ontario to Sala | 5,442.49 mi (8,758.84 km) |
| Ontario to Saltsjobaden | 5,512.62 mi (8,871.71 km) |
| Ontario to Sandviken | 5,407.79 mi (8,702.99 km) |
| Ontario to Sater | 5,400.92 mi (8,691.95 km) |
| Ontario to Savja | 5,470.89 mi (8,804.55 km) |
| Ontario to Sjobo | 5,609.58 mi (9,027.75 km) |
| Ontario to Skara | 5,455.77 mi (8,780.22 km) |
| Ontario to Skelleftea | 5,253.59 mi (8,454.84 km) |
| Ontario to Skoghall | 5,405.21 mi (8,698.84 km) |
| Ontario to Skovde | 5,465.35 mi (8,795.63 km) |
