| Portland to Argostoli | 6,216.26 mi (10,004.11 km) |
| Portland to Argyroupoli | 6,305.29 mi (10,147.38 km) |
| Portland to Arta | 6,165.30 mi (9,922.09 km) |
| Portland to Artemida | 6,306.30 mi (10,149.01 km) |
| Portland to Aspropyrgos | 6,291.15 mi (10,124.63 km) |
| Portland to Athens | 6,299.46 mi (10,138.01 km) |
| Portland to Chaidari | 6,295.74 mi (10,132.02 km) |
| Portland to Chalandri | 6,298.91 mi (10,137.12 km) |
| Portland to Chalkida | 6,266.21 mi (10,084.48 km) |
| Portland to Chania | 6,462.86 mi (10,400.98 km) |
| Portland to Chios | 6,323.75 mi (10,177.09 km) |
| Portland to Cholargos | 6,299.97 mi (10,138.83 km) |
| Portland to Chrysoupoli | 6,127.89 mi (9,861.88 km) |
| Portland to Dafni | 6,301.75 mi (10,141.69 km) |
| Portland to Diavata | 6,109.37 mi (9,832.09 km) |
