| Lake Ronkonkoma to Arcos de Valdevez | 3,273.70 mi (5,268.51 km) |
| Lake Ronkonkoma to Arcozelo | 3,283.51 mi (5,284.30 km) |
| Lake Ronkonkoma to Arganil | 3,334.15 mi (5,365.79 km) |
| Lake Ronkonkoma to Arouca | 3,305.74 mi (5,320.07 km) |
| Lake Ronkonkoma to Arruda dos Vinhos | 3,318.66 mi (5,340.86 km) |
| Lake Ronkonkoma to Aveiro | 3,294.11 mi (5,301.37 km) |
| Lake Ronkonkoma to Aver-o-Mar | 3,268.24 mi (5,259.72 km) |
| Lake Ronkonkoma to Aves | 3,289.84 mi (5,294.49 km) |
| Lake Ronkonkoma to Azambuja | 3,326.16 mi (5,352.93 km) |
| Lake Ronkonkoma to Baiao | 3,309.79 mi (5,326.60 km) |
| Lake Ronkonkoma to Barcelos | 3,272.66 mi (5,266.83 km) |
| Lake Ronkonkoma to Barreiro | 3,327.53 mi (5,355.14 km) |
| Lake Ronkonkoma to Batalha | 3,313.31 mi (5,332.26 km) |
| Lake Ronkonkoma to Beja | 3,404.02 mi (5,478.25 km) |
| Lake Ronkonkoma to Belas | 3,314.38 mi (5,333.98 km) |
