Bus and Train Route Contacts :
| Transport | Phone – +(04365) |
| Government : | |
| SETC | 242455 |
| Private : | |
| Thirumurugan. PRN | 241307 |
| Karthiban | 221442 |
| Ajith | 242138 |
| Universal | 242500 |
| Royal | 242049 |
| Rathimeena | 242500 |
| Railway Station | 242131 |
Train Schedule :
Nagapattinam to Chennai at a distance of 343 kms. Traveling from one place to the other is easy because of the efficient rail connectivity. There are many trains that run between the two cities. On a daily basis.
From Nagapattinam to Chennai via Thiruvarur :
| Train No. | Train Name | Starts From | Arrival | Departure |
Destination | Service Days |
| 16176 | CHENNAI EXP | KARAIKAL | 21:28 | 21:38 | CHENNAI EGMORE | DAILY |
| 16186 |
VELANKANNI EXP | VELANKANNI | 21:28 | 21:38 | CHENNAI EGMORE | DAILY |
| 06016 | VLNK ERS EXP | VELANKANNI | 18:55 | 19:15 | ERNAKULAM JN | SUNDAY |
| 11018 | KIK LTT EXPRESS | KARAIKAL | 14:28 | 14:30 | LOKMANYATILAK | MONDAY |
| 56513 | KSR Bengaluru Fast Pass. | KARAIKAL | 04:10 | 04:15 | KSR Bengaluru City Jn | DAILY |
Nagapattinam to Thanjavur at a distance of 77 kms. Traveling from one place to the other is easy because of the efficient rail connectivity. There are many trains that run between the two cities. On a daily basis.
From Nagapattinam to different places via Thanjavur :
| Train No. | Train Name | Starts From | Arrival | Departure | Destination | Service Days |
| 17316 | VLNK VSG EXP | VELLANKANNI | 00:10 | 00:15 | VASCO DA GAMA | TUESDAY |
| 16187 | ERNAKULAM EXP | KARAIKAL | 16:43 | 16:48 | ERNAKULAM JN | DAILY |
| 76851 | DEMU | KARAIKAL | 07:05 | 07:07 | TIRUCHCHIRAPPALLI | DAILY |
| 56711 | PASSENGER | KARAIKAL | 13:27 | 13:32 | TIRUCHCHIRAPPALLI | DAILY |
| 76853 | DEMU | KARAIKAL | 15:28 | 15:30 | TIRUCHCHIRAPPALLI | DAILY |
| 76815 | DEMU | KARAIKAL | 18:28 | 18:30 | THANJAVUR | DAILY |