| Cities | Distance |
|---|---|
| Onex to Montalegre | 751.94 mi (1,210.13 km) |
| Onex to Montemor-o-Novo | 894.58 mi (1,439.68 km) |
| Onex to Montemor-o-Velho | 851.10 mi (1,369.72 km) |
| Onex to Montijo | 921.51 mi (1,483.03 km) |
| Onex to Mortagua | 821.15 mi (1,321.51 km) |
| Onex to Moura | 887.27 mi (1,427.93 km) |
| Onex to Murtosa | 827.56 mi (1,331.83 km) |
| Onex to Nazare | 890.17 mi (1,432.60 km) |
| Onex to Nelas | 801.20 mi (1,289.40 km) |
| Onex to Obidos | 903.93 mi (1,454.74 km) |
| Onex to Odemira | 960.40 mi (1,545.62 km) |
| Onex to Odivelas | 928.67 mi (1,494.55 km) |
| Onex to Oeiras | 939.05 mi (1,511.25 km) |
| Onex to Olhao | 956.15 mi (1,538.78 km) |
| Onex to Oliveira de Azemeis | 816.63 mi (1,314.25 km) |