| Grefrath to San Giovanni Rotondo | 800.27 mi (1,287.92 km) |
| Grefrath to San Giovanni Valdarno | 588.87 mi (947.69 km) |
| Grefrath to San Giuliano Milanese | 431.73 mi (694.80 km) |
| Grefrath to San Giuliano Terme | 556.92 mi (896.27 km) |
| Grefrath to San Giuseppe Iato | 982.01 mi (1,580.39 km) |
| Grefrath to San Giuseppe Vesuviano | 823.14 mi (1,324.72 km) |
| Grefrath to San Giustino | 602.83 mi (970.16 km) |
| Grefrath to San Gregorio di Catania | 1,043.45 mi (1,679.27 km) |
| Grefrath to San Lazzaro di Savena | 528.83 mi (851.06 km) |
| Grefrath to San Marco in Lamis | 797.01 mi (1,282.66 km) |
| Grefrath to San Martino Buon Albergo | 463.44 mi (745.83 km) |
| Grefrath to San Martino di Lupari | 466.49 mi (750.75 km) |
| Grefrath to San Marzano di San Giuseppe | 921.75 mi (1,483.42 km) |
| Grefrath to San Marzano sul Sarno | 829.24 mi (1,334.53 km) |
| Grefrath to San Maurizio Canavese | 426.92 mi (687.06 km) |
