| Arcos de Valdevez to Smolyan | 1,697.49 mi (2,731.85 km) |
| Arcos de Valdevez to Sofia | 1,614.63 mi (2,598.50 km) |
| Arcos de Valdevez to Sopot | 1,686.39 mi (2,713.99 km) |
| Arcos de Valdevez to Sozopol | 1,837.04 mi (2,956.43 km) |
| Arcos de Valdevez to Sredets | 1,812.89 mi (2,917.56 km) |
| Arcos de Valdevez to Stamboliyski | 1,681.72 mi (2,706.46 km) |
| Arcos de Valdevez to Stara Zagora | 1,734.10 mi (2,790.77 km) |
| Arcos de Valdevez to Svilengrad | 1,770.65 mi (2,849.59 km) |
| Arcos de Valdevez to Svishtov | 1,706.34 mi (2,746.08 km) |
| Arcos de Valdevez to Targovishte | 1,771.24 mi (2,850.53 km) |
| Arcos de Valdevez to Teteven | 1,659.28 mi (2,670.35 km) |
| Arcos de Valdevez to Troyan | 1,682.14 mi (2,707.14 km) |
| Arcos de Valdevez to Tryavna | 1,721.47 mi (2,770.44 km) |
| Arcos de Valdevez to Tutrakan | 1,765.00 mi (2,840.50 km) |
| Arcos de Valdevez to Varna | 1,837.84 mi (2,957.72 km) |
