HomeUPSCWhich train in India has the longest route length? 187. Which train in India has the longest route length?By Admin / October 4, 2025 A. Howrah – Jammu Tawi Himgiri Express B. Kanyakumari – Jammu Tawi Himsagar Express C. Kanyakumari – Dibrugarh Vivek Express D. Guwahati-Thiruvanthapuram Express ✅ The correct answer is option C.