| Little Rock to Montalegre | 4,424.22 mi (7,120.10 km) |
| Little Rock to Montemor-o-Novo | 4,496.81 mi (7,236.92 km) |
| Little Rock to Montemor-o-Velho | 4,429.64 mi (7,128.82 km) |
| Little Rock to Montijo | 4,462.54 mi (7,181.77 km) |
| Little Rock to Mortagua | 4,443.43 mi (7,151.01 km) |
| Little Rock to Moura | 4,549.76 mi (7,322.13 km) |
| Little Rock to Murtosa | 4,415.70 mi (7,106.38 km) |
| Little Rock to Nazare | 4,427.61 mi (7,125.55 km) |
| Little Rock to Nelas | 4,459.27 mi (7,176.50 km) |
| Little Rock to Obidos | 4,430.23 mi (7,129.77 km) |
| Little Rock to Odemira | 4,508.46 mi (7,255.66 km) |
| Little Rock to Odivelas | 4,445.75 mi (7,154.75 km) |
| Little Rock to Oeiras | 4,442.21 mi (7,149.04 km) |
| Little Rock to Olhao | 4,564.52 mi (7,345.89 km) |
| Little Rock to Oliveira de Azemeis | 4,420.17 mi (7,113.57 km) |
