| Grefrath to Psychiko | 1,251.17 mi (2,013.57 km) |
| Grefrath to Ptolemaida | 1,045.98 mi (1,683.34 km) |
| Grefrath to Pylaia | 1,085.75 mi (1,747.34 km) |
| Grefrath to Pyrgos | 1,197.23 mi (1,926.76 km) |
| Grefrath to Rafina | 1,258.33 mi (2,025.08 km) |
| Grefrath to Rethymno | 1,422.67 mi (2,289.57 km) |
| Grefrath to Rodos | 1,487.97 mi (2,394.66 km) |
| Grefrath to Salamina | 1,244.72 mi (2,003.18 km) |
| Grefrath to Serres | 1,080.99 mi (1,739.69 km) |
| Grefrath to Sindos | 1,075.93 mi (1,731.55 km) |
| Grefrath to Siteia | 1,484.13 mi (2,388.47 km) |
| Grefrath to Skillounta | 1,206.12 mi (1,941.06 km) |
| Grefrath to Sparti | 1,261.51 mi (2,030.20 km) |
| Grefrath to Spata | 1,258.33 mi (2,025.09 km) |
| Grefrath to Stavroupoli | 1,080.56 mi (1,738.99 km) |
