| Gig Harbor to Smolyan | 5,974.84 mi (9,615.58 km) |
| Gig Harbor to Sofia | 5,877.04 mi (9,458.18 km) |
| Gig Harbor to Sopot | 5,907.22 mi (9,506.75 km) |
| Gig Harbor to Sozopol | 5,975.13 mi (9,616.04 km) |
| Gig Harbor to Sredets | 5,970.81 mi (9,609.09 km) |
| Gig Harbor to Stamboliyski | 5,936.35 mi (9,553.63 km) |
| Gig Harbor to Stara Zagora | 5,937.77 mi (9,555.92 km) |
| Gig Harbor to Svilengrad | 5,990.83 mi (9,641.31 km) |
| Gig Harbor to Svishtov | 5,856.02 mi (9,424.35 km) |
| Gig Harbor to Targovishte | 5,901.66 mi (9,497.81 km) |
| Gig Harbor to Teteven | 5,881.04 mi (9,464.63 km) |
| Gig Harbor to Troyan | 5,891.61 mi (9,481.62 km) |
| Gig Harbor to Tryavna | 5,907.07 mi (9,506.51 km) |
| Gig Harbor to Tutrakan | 5,850.43 mi (9,415.36 km) |
| Gig Harbor to Varna | 5,926.74 mi (9,538.17 km) |
