| Siloam Springs to Montalegre | 4,467.98 mi (7,190.53 km) |
| Siloam Springs to Montemor-o-Novo | 4,549.27 mi (7,321.35 km) |
| Siloam Springs to Montemor-o-Velho | 4,478.64 mi (7,207.67 km) |
| Siloam Springs to Montijo | 4,515.61 mi (7,267.17 km) |
| Siloam Springs to Mortagua | 4,491.29 mi (7,228.03 km) |
| Siloam Springs to Moura | 4,602.75 mi (7,407.42 km) |
| Siloam Springs to Murtosa | 4,463.16 mi (7,182.76 km) |
| Siloam Springs to Nazare | 4,478.47 mi (7,207.39 km) |
| Siloam Springs to Nelas | 4,506.53 mi (7,252.56 km) |
| Siloam Springs to Obidos | 4,481.80 mi (7,212.77 km) |
| Siloam Springs to Odemira | 4,564.06 mi (7,345.15 km) |
| Siloam Springs to Odivelas | 4,498.82 mi (7,240.16 km) |
| Siloam Springs to Oeiras | 4,495.69 mi (7,235.11 km) |
| Siloam Springs to Olhao | 4,620.71 mi (7,436.31 km) |
| Siloam Springs to Oliveira de Azemeis | 4,467.19 mi (7,189.25 km) |
