on the way or during the course of a journey

यात्रा के दौरान

English Usage: We stopped for lunch while we were enroute to the conference.

Hindi Usage: हम सम्मेलन के लिए जाते समय दोपहर का खाना खाने रुके।

along the way

रास्ते में

English Usage: The package should arrive enroute to its final destination.

Hindi Usage: पैकेज अपने अंतिम गंतव्य के रास्ते में पहुंच जाना चाहिए।