| Grenchen to Irun | 519.49 mi (836.03 km) |
| Grenchen to Isla-Cristina | 1,018.70 mi (1,639.44 km) |
| Grenchen to Jaca | 503.75 mi (810.71 km) |
| Grenchen to Jaen | 863.01 mi (1,388.87 km) |
| Grenchen to Jerez de la Frontera | 1,002.72 mi (1,613.73 km) |
| Grenchen to Jerez de los Caballeros | 941.99 mi (1,515.99 km) |
| Grenchen to Jodar | 845.47 mi (1,360.65 km) |
| Grenchen to Jumilla | 745.67 mi (1,200.04 km) |
| Grenchen to La Algaba | 957.29 mi (1,540.62 km) |
| Grenchen to La Baneza | 733.62 mi (1,180.65 km) |
| Grenchen to La Carlota | 908.03 mi (1,461.33 km) |
| Grenchen to La Carolina | 830.61 mi (1,336.74 km) |
| Grenchen to La Corredoria | 693.09 mi (1,115.43 km) |
| Grenchen to La Eliana | 659.48 mi (1,061.33 km) |
| Grenchen to La Escala | 408.41 mi (657.28 km) |
