| Omagh to Sesena | 1,014.60 mi (1,632.84 km) |
| Omagh to Sestao | 802.81 mi (1,292.00 km) |
| Omagh to Sevilla | 1,200.34 mi (1,931.77 km) |
| Omagh to Sevilla La Nueva | 995.50 mi (1,602.11 km) |
| Omagh to Silla | 1,099.73 mi (1,769.85 km) |
| Omagh to Silleda | 822.63 mi (1,323.89 km) |
| Omagh to Sitges | 1,012.42 mi (1,629.33 km) |
| Omagh to Socuellamos | 1,077.41 mi (1,733.92 km) |
| Omagh to Soller | 1,123.94 mi (1,808.81 km) |
| Omagh to Solsona | 958.11 mi (1,541.92 km) |
| Omagh to Son Servera | 1,146.20 mi (1,844.63 km) |
| Omagh to Sonseca | 1,040.40 mi (1,674.36 km) |
| Omagh to Sopelana | 798.34 mi (1,284.80 km) |
| Omagh to Soria | 912.90 mi (1,469.17 km) |
| Omagh to Suances | 784.49 mi (1,262.52 km) |
