| Ommen to Arcozelo | 1,060.88 mi (1,707.32 km) |
| Ommen to Arganil | 1,090.35 mi (1,754.75 km) |
| Ommen to Arouca | 1,055.51 mi (1,698.67 km) |
| Ommen to Arruda dos Vinhos | 1,191.24 mi (1,917.11 km) |
| Ommen to Aveiro | 1,084.74 mi (1,745.72 km) |
| Ommen to Aver-o-Mar | 1,045.75 mi (1,682.97 km) |
| Ommen to Aves | 1,029.04 mi (1,656.08 km) |
| Ommen to Azambuja | 1,180.54 mi (1,899.90 km) |
| Ommen to Baiao | 1,036.00 mi (1,667.29 km) |
| Ommen to Barcelos | 1,034.76 mi (1,665.29 km) |
| Ommen to Barreiro | 1,209.59 mi (1,946.65 km) |
| Ommen to Batalha | 1,144.99 mi (1,842.69 km) |
| Ommen to Beja | 1,213.70 mi (1,953.27 km) |
| Ommen to Belas | 1,209.29 mi (1,946.17 km) |
| Ommen to Benavente | 1,184.39 mi (1,906.10 km) |
