| Sun Prairie to Montalegre | 3,973.48 mi (6,394.70 km) |
| Sun Prairie to Montemor-o-Novo | 4,070.69 mi (6,551.15 km) |
| Sun Prairie to Montemor-o-Velho | 3,993.68 mi (6,427.20 km) |
| Sun Prairie to Montijo | 4,038.40 mi (6,499.18 km) |
| Sun Prairie to Mortagua | 4,004.12 mi (6,444.01 km) |
| Sun Prairie to Moura | 4,124.96 mi (6,638.48 km) |
| Sun Prairie to Murtosa | 3,975.38 mi (6,397.75 km) |
| Sun Prairie to Nazare | 3,997.08 mi (6,432.68 km) |
| Sun Prairie to Nelas | 4,018.19 mi (6,466.65 km) |
| Sun Prairie to Obidos | 4,001.82 mi (6,440.30 km) |
| Sun Prairie to Odemira | 4,091.77 mi (6,585.07 km) |
| Sun Prairie to Odivelas | 4,021.72 mi (6,472.33 km) |
| Sun Prairie to Oeiras | 4,019.43 mi (6,468.65 km) |
| Sun Prairie to Olhao | 4,149.32 mi (6,677.69 km) |
| Sun Prairie to Oliveira de Azemeis | 3,978.58 mi (6,402.91 km) |
