| Spout Springs to Montalegre | 3,765.49 mi (6,059.97 km) |
| Spout Springs to Montemor-o-Novo | 3,816.54 mi (6,142.14 km) |
| Spout Springs to Montemor-o-Velho | 3,757.96 mi (6,047.86 km) |
| Spout Springs to Montijo | 3,781.12 mi (6,085.13 km) |
| Spout Springs to Mortagua | 3,774.40 mi (6,074.30 km) |
| Spout Springs to Moura | 3,867.94 mi (6,224.85 km) |
| Spout Springs to Murtosa | 3,747.85 mi (6,031.58 km) |
| Spout Springs to Nazare | 3,751.54 mi (6,037.52 km) |
| Spout Springs to Nelas | 3,791.56 mi (6,101.92 km) |
| Spout Springs to Obidos | 3,752.46 mi (6,039.00 km) |
| Spout Springs to Odemira | 3,821.06 mi (6,149.41 km) |
| Spout Springs to Odivelas | 3,764.44 mi (6,058.27 km) |
| Spout Springs to Oeiras | 3,759.97 mi (6,051.09 km) |
| Spout Springs to Olhao | 3,875.53 mi (6,237.06 km) |
| Spout Springs to Oliveira de Azemeis | 3,753.34 mi (6,040.42 km) |
