| Portland to Roura | 5,037.33 mi (8,106.80 km) |
| Portland to Saint-Georges | 5,103.05 mi (8,212.56 km) |
| Portland to Saint-Laurent-du-Maroni | 4,918.13 mi (7,914.97 km) |
| Portland to Sinnamary | 4,974.91 mi (8,006.34 km) |
| Portland to Aachen | 5,112.46 mi (8,227.71 km) |
| Portland to Aalen | 5,322.83 mi (8,566.27 km) |
| Portland to Abensberg | 5,366.17 mi (8,636.01 km) |
| Portland to Achern | 5,284.73 mi (8,504.96 km) |
| Portland to Achim | 5,051.27 mi (8,129.24 km) |
| Portland to Adelsdorf | 5,289.98 mi (8,513.40 km) |
| Portland to Adendorf | 5,070.27 mi (8,159.82 km) |
| Portland to Aerzen | 5,115.39 mi (8,232.43 km) |
| Portland to Ahaus | 5,061.25 mi (8,145.29 km) |
| Portland to Ahlen | 5,099.85 mi (8,207.42 km) |
| Portland to Ahrensburg | 5,042.83 mi (8,115.66 km) |
