| Irthlingborough to Srbobran | 1,033.12 mi (1,662.65 km) |
| Irthlingborough to Sremska Kamenica | 1,047.68 mi (1,686.08 km) |
| Irthlingborough to Sremska Mitrovica | 1,048.82 mi (1,687.91 km) |
| Irthlingborough to Sremski Karlovci | 1,052.25 mi (1,693.43 km) |
| Irthlingborough to Stara Pazova | 1,070.21 mi (1,722.33 km) |
| Irthlingborough to Subotica | 1,006.77 mi (1,620.24 km) |
| Irthlingborough to Surcin | 1,082.26 mi (1,741.73 km) |
| Irthlingborough to Surdulica | 1,246.09 mi (2,005.38 km) |
| Irthlingborough to Svilajnac | 1,142.55 mi (1,838.76 km) |
| Irthlingborough to Svrljig | 1,212.53 mi (1,951.38 km) |
| Irthlingborough to Temerin | 1,041.68 mi (1,676.42 km) |
| Irthlingborough to Titel | 1,066.66 mi (1,716.63 km) |
| Irthlingborough to Topola | 1,120.40 mi (1,803.11 km) |
| Irthlingborough to Trgoviste | 1,258.62 mi (2,025.56 km) |
| Irthlingborough to Trstenik | 1,160.00 mi (1,866.84 km) |
