| Omagh to Oskarshamn | 932.30 mi (1,500.39 km) |
| Omagh to Ostersund | 974.18 mi (1,567.79 km) |
| Omagh to Oxelosund | 963.25 mi (1,550.19 km) |
| Omagh to Ronneby | 888.64 mi (1,430.13 km) |
| Omagh to Saffle | 821.77 mi (1,322.51 km) |
| Omagh to Sala | 959.05 mi (1,543.45 km) |
| Omagh to Saltsjobaden | 1,009.82 mi (1,625.14 km) |
| Omagh to Sandviken | 976.25 mi (1,571.13 km) |
| Omagh to Sater | 937.56 mi (1,508.86 km) |
| Omagh to Savja | 995.16 mi (1,601.56 km) |
| Omagh to Sjobo | 830.10 mi (1,335.91 km) |
| Omagh to Skara | 828.95 mi (1,334.07 km) |
| Omagh to Skelleftea | 1,193.46 mi (1,920.69 km) |
| Omagh to Skoghall | 842.22 mi (1,355.42 km) |
| Omagh to Skovde | 843.85 mi (1,358.05 km) |
