| Oconomowoc to Montalegre | 3,943.55 mi (6,346.53 km) |
| Oconomowoc to Montemor-o-Novo | 4,039.45 mi (6,500.87 km) |
| Oconomowoc to Montemor-o-Velho | 3,962.92 mi (6,377.71 km) |
| Oconomowoc to Montijo | 4,007.05 mi (6,448.73 km) |
| Oconomowoc to Mortagua | 3,973.55 mi (6,394.82 km) |
| Oconomowoc to Moura | 4,093.68 mi (6,588.13 km) |
| Oconomowoc to Murtosa | 3,944.85 mi (6,348.63 km) |
| Oconomowoc to Nazare | 3,966.04 mi (6,382.73 km) |
| Oconomowoc to Nelas | 3,987.72 mi (6,417.62 km) |
| Oconomowoc to Obidos | 3,970.67 mi (6,390.17 km) |
| Oconomowoc to Odemira | 4,060.07 mi (6,534.06 km) |
| Oconomowoc to Odivelas | 3,990.35 mi (6,421.85 km) |
| Oconomowoc to Oeiras | 3,988.00 mi (6,418.07 km) |
| Oconomowoc to Olhao | 4,117.58 mi (6,626.60 km) |
| Oconomowoc to Oliveira de Azemeis | 3,948.13 mi (6,353.91 km) |
