| Guymon to Arcos de Valdevez | 4,731.88 mi (7,615.23 km) |
| Guymon to Arcozelo | 4,749.96 mi (7,644.31 km) |
| Guymon to Arganil | 4,806.10 mi (7,734.67 km) |
| Guymon to Arouca | 4,771.93 mi (7,679.68 km) |
| Guymon to Arruda dos Vinhos | 4,804.30 mi (7,731.78 km) |
| Guymon to Aveiro | 4,764.43 mi (7,667.61 km) |
| Guymon to Aver-o-Mar | 4,731.89 mi (7,615.24 km) |
| Guymon to Aves | 4,751.51 mi (7,646.82 km) |
| Guymon to Azambuja | 4,810.49 mi (7,741.74 km) |
| Guymon to Baiao | 4,773.09 mi (7,681.55 km) |
| Guymon to Barcelos | 4,734.71 mi (7,619.78 km) |
| Guymon to Barreiro | 4,815.66 mi (7,750.06 km) |
| Guymon to Batalha | 4,792.65 mi (7,713.03 km) |
| Guymon to Beja | 4,893.21 mi (7,874.86 km) |
| Guymon to Belas | 4,802.32 mi (7,728.59 km) |
