| Markham to Arcos de Valdevez | 3,928.90 mi (6,322.96 km) |
| Markham to Arcozelo | 3,945.28 mi (6,349.31 km) |
| Markham to Arganil | 4,000.41 mi (6,438.04 km) |
| Markham to Arouca | 3,967.34 mi (6,384.82 km) |
| Markham to Arruda dos Vinhos | 3,996.14 mi (6,431.17 km) |
| Markham to Aveiro | 3,959.00 mi (6,371.40 km) |
| Markham to Aver-o-Mar | 3,927.75 mi (6,321.10 km) |
| Markham to Aves | 3,947.83 mi (6,353.42 km) |
| Markham to Azambuja | 4,002.55 mi (6,441.49 km) |
| Markham to Baiao | 3,969.10 mi (6,387.66 km) |
| Markham to Barcelos | 3,930.91 mi (6,326.19 km) |
| Markham to Barreiro | 4,007.11 mi (6,448.82 km) |
| Markham to Batalha | 3,985.56 mi (6,414.14 km) |
| Markham to Beja | 4,084.57 mi (6,573.49 km) |
| Markham to Belas | 3,993.78 mi (6,427.38 km) |
