| Guymon to Montalegre | 4,760.46 mi (7,661.22 km) |
| Guymon to Montemor-o-Novo | 4,855.35 mi (7,813.94 km) |
| Guymon to Montemor-o-Velho | 4,779.52 mi (7,691.89 km) |
| Guymon to Montijo | 4,822.74 mi (7,761.45 km) |
| Guymon to Mortagua | 4,790.31 mi (7,709.25 km) |
| Guymon to Moura | 4,909.48 mi (7,901.05 km) |
| Guymon to Murtosa | 4,761.64 mi (7,663.11 km) |
| Guymon to Nazare | 4,782.28 mi (7,696.33 km) |
| Guymon to Nelas | 4,804.54 mi (7,732.16 km) |
| Guymon to Obidos | 4,786.73 mi (7,703.51 km) |
| Guymon to Odemira | 4,874.94 mi (7,845.46 km) |
| Guymon to Odivelas | 4,806.02 mi (7,734.54 km) |
| Guymon to Oeiras | 4,803.54 mi (7,730.55 km) |
| Guymon to Olhao | 4,932.29 mi (7,937.76 km) |
| Guymon to Oliveira de Azemeis | 4,764.96 mi (7,668.46 km) |
