| Groveton to Montalegre | 3,556.75 mi (5,724.03 km) |
| Groveton to Montemor-o-Novo | 3,619.05 mi (5,824.29 km) |
| Groveton to Montemor-o-Velho | 3,555.67 mi (5,722.29 km) |
| Groveton to Montijo | 3,584.25 mi (5,768.30 km) |
| Groveton to Mortagua | 3,570.74 mi (5,746.55 km) |
| Groveton to Moura | 3,671.40 mi (5,908.55 km) |
| Groveton to Murtosa | 3,543.55 mi (5,702.79 km) |
| Groveton to Nazare | 3,551.61 mi (5,715.76 km) |
| Groveton to Nelas | 3,587.24 mi (5,773.11 km) |
| Groveton to Obidos | 3,553.47 mi (5,718.76 km) |
| Groveton to Odemira | 3,627.82 mi (5,838.41 km) |
| Groveton to Odivelas | 3,567.49 mi (5,741.32 km) |
| Groveton to Oeiras | 3,563.56 mi (5,734.99 km) |
| Groveton to Olhao | 3,683.33 mi (5,927.75 km) |
| Groveton to Oliveira de Azemeis | 3,548.53 mi (5,710.81 km) |
