| Portland to Preveza | 6,173.12 mi (9,934.68 km) |
| Portland to Psychiko | 6,298.71 mi (10,136.80 km) |
| Portland to Ptolemaida | 6,095.40 mi (9,809.60 km) |
| Portland to Pylaia | 6,117.57 mi (9,845.28 km) |
| Portland to Pyrgos | 6,269.54 mi (10,089.85 km) |
| Portland to Rafina | 6,303.12 mi (10,143.88 km) |
| Portland to Rethymno | 6,482.16 mi (10,432.03 km) |
| Portland to Rodos | 6,488.95 mi (10,442.95 km) |
| Portland to Salamina | 6,295.74 mi (10,132.02 km) |
| Portland to Serres | 6,098.49 mi (9,814.58 km) |
| Portland to Sindos | 6,109.40 mi (9,832.13 km) |
| Portland to Siteia | 6,527.18 mi (10,504.48 km) |
| Portland to Skillounta | 6,277.18 mi (10,102.14 km) |
| Portland to Sparti | 6,329.18 mi (10,185.83 km) |
| Portland to Spata | 6,304.55 mi (10,146.20 km) |
