| Grenchen to Amelia | 403.84 mi (649.92 km) |
| Grenchen to Anagni | 471.34 mi (758.55 km) |
| Grenchen to Ancona | 385.95 mi (621.13 km) |
| Grenchen to Andria | 603.31 mi (970.93 km) |
| Grenchen to Angri | 570.64 mi (918.36 km) |
| Grenchen to Anguillara Sabazia | 426.26 mi (685.99 km) |
| Grenchen to Anzio | 473.42 mi (761.89 km) |
| Grenchen to Anzola dell'Emilia | 258.33 mi (415.74 km) |
| Grenchen to Aosta | 100.76 mi (162.16 km) |
| Grenchen to Apricena | 544.83 mi (876.82 km) |
| Grenchen to Aprilia | 466.00 mi (749.96 km) |
| Grenchen to Aradeo | 723.89 mi (1,164.99 km) |
| Grenchen to Aragona | 746.75 mi (1,201.78 km) |
| Grenchen to Arco | 187.58 mi (301.88 km) |
| Grenchen to Arcola | 244.36 mi (393.26 km) |
