| Guymon to Alenquer | 4,804.21 mi (7,731.63 km) |
| Guymon to Alfena | 4,748.61 mi (7,642.15 km) |
| Guymon to Alijo | 4,794.01 mi (7,715.21 km) |
| Guymon to Aljustrel | 4,884.40 mi (7,860.68 km) |
| Guymon to Almada | 4,810.95 mi (7,742.48 km) |
| Guymon to Almargem | 4,799.75 mi (7,724.45 km) |
| Guymon to Almeirim | 4,817.15 mi (7,752.45 km) |
| Guymon to Amadora | 4,805.59 mi (7,733.85 km) |
| Guymon to Amarante | 4,768.04 mi (7,673.43 km) |
| Guymon to Amares | 4,743.79 mi (7,634.39 km) |
| Guymon to Amora | 4,814.70 mi (7,748.51 km) |
| Guymon to Anadia | 4,781.30 mi (7,694.76 km) |
| Guymon to Angra do Heroismo | 3,945.75 mi (6,350.07 km) |
| Guymon to Ansiao | 4,799.77 mi (7,724.48 km) |
| Guymon to Anta | 4,752.31 mi (7,648.10 km) |
