| Arad to Montalegre | 1,468.74 mi (2,363.70 km) |
| Arad to Montemor-o-Novo | 1,582.69 mi (2,547.09 km) |
| Arad to Montemor-o-Velho | 1,557.15 mi (2,505.99 km) |
| Arad to Montijo | 1,613.94 mi (2,597.39 km) |
| Arad to Mortagua | 1,527.86 mi (2,458.85 km) |
| Arad to Moura | 1,564.02 mi (2,517.05 km) |
| Arad to Murtosa | 1,538.35 mi (2,475.73 km) |
| Arad to Nazare | 1,592.58 mi (2,563.02 km) |
| Arad to Nelas | 1,507.15 mi (2,425.53 km) |
| Arad to Obidos | 1,604.46 mi (2,582.13 km) |
| Arad to Odemira | 1,638.93 mi (2,637.60 km) |
| Arad to Odivelas | 1,623.70 mi (2,613.09 km) |
| Arad to Oeiras | 1,633.70 mi (2,629.19 km) |
| Arad to Olhao | 1,621.86 mi (2,610.14 km) |
| Arad to Oliveira de Azemeis | 1,527.78 mi (2,458.72 km) |
