| Grefrath to Arcozelo | 1,005.22 mi (1,617.75 km) |
| Grefrath to Arganil | 1,031.36 mi (1,659.82 km) |
| Grefrath to Arouca | 998.60 mi (1,607.10 km) |
| Grefrath to Arruda dos Vinhos | 1,132.00 mi (1,821.77 km) |
| Grefrath to Aveiro | 1,028.08 mi (1,654.53 km) |
| Grefrath to Aver-o-Mar | 991.30 mi (1,595.35 km) |
| Grefrath to Aves | 973.55 mi (1,566.77 km) |
| Grefrath to Azambuja | 1,121.03 mi (1,804.12 km) |
| Grefrath to Baiao | 979.17 mi (1,575.81 km) |
| Grefrath to Barcelos | 980.25 mi (1,577.55 km) |
| Grefrath to Barreiro | 1,149.75 mi (1,850.35 km) |
| Grefrath to Batalha | 1,086.50 mi (1,748.55 km) |
| Grefrath to Beja | 1,150.30 mi (1,851.23 km) |
| Grefrath to Belas | 1,150.10 mi (1,850.90 km) |
| Grefrath to Benavente | 1,124.54 mi (1,809.78 km) |
