| SeaTac to Slatina | 5,773.39 mi (9,291.38 km) |
| SeaTac to Slobozia | 5,817.81 mi (9,362.87 km) |
| SeaTac to Sovata | 5,647.17 mi (9,088.24 km) |
| SeaTac to Strehaia | 5,739.25 mi (9,236.43 km) |
| SeaTac to Suceava | 5,599.38 mi (9,011.32 km) |
| SeaTac to Targoviste | 5,761.42 mi (9,272.11 km) |
| SeaTac to Targu Frumos | 5,640.43 mi (9,077.39 km) |
| SeaTac to Targu Jiu | 5,714.45 mi (9,196.52 km) |
| SeaTac to Targu Lapus | 5,570.92 mi (8,965.53 km) |
| SeaTac to Targu Neamt | 5,630.07 mi (9,060.72 km) |
| SeaTac to Targu Ocna | 5,694.06 mi (9,163.71 km) |
| SeaTac to Targu Secuiesc | 5,704.21 mi (9,180.04 km) |
| SeaTac to Targu-Mures | 5,641.39 mi (9,078.94 km) |
| SeaTac to Tarnaveni | 5,649.99 mi (9,092.78 km) |
| SeaTac to Tasnad | 5,546.15 mi (8,925.67 km) |
